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VICKERS MG ACCESSORIES AND EQUIPMENT

Sighting and Gun-Laying Equipment:


Battle Sights

Before the introduction of the battle sight on the tangent sight slide (the sight useable when the tangent sight stem in folded down), the gun could only be sighted using the full tangent sight. This took time and effort which may not have been required.

To resolve this, a specific battle sight was introduced.

General Routine Order 1005 dated 13 July 1915
Machine Guns - Battle Sights

Approval is given for the issue of Battle sights for .303-inch Maxim guns and .303-inch Vickers guns to cavalry regiments and Infantry battalions on a scale of one per gun.

These sights are not interchangeable between the Vickers and Maxim guns and it must be stated on indents for which type of gun they are required.

Indents should be sent to Ordnance Officers concerned, and issue will be made as supplies become available.


Clinometers

Due to the extensive use of clinometers, further details can now be found on a dedicated page.


Pointer, Staff, Mk. 1

Cases, Pointer, Staff

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Foresight deflection bars

  • Cat No. C1/BD 8989, EQUIPMENTS, FORESIGHTS, BAR DEFLECTION - Comprising: Clinometer, Vickers .303-in. M.G., Mk. 1 or Mk. 2; Clinometers, Vickers .303-in. M.G., case, Mk. 2; Foresight, bar, deflection, Mk. 1; Lamp, aiming, M.G., Mk. 3; Post, aiming, M.G., Mk. 3; Post, zero, M.G., Mk. 1; Pouch, foresight, bar, deflection, Mk. 2; Sight, night, back, Vickers .303-in. M.G., Mk. 2; Sight, night, fore, Vickers .303-in. M.G., Mk. 1
  • Cat No. C1/BD 0270, List of changes A 3312, FORESIGHTS, BAR, DEFLECTION, MK. 1 - For Guns, machine, Vickers, .303-in., Mk. 1; consisting of a graduated bar with fixing screws with retaining pin; 2 stop screws and spring stud with fixing screw; and sliding sight with wing clamp screw
  • Cat No. C1/BD 0271, ...Pins, retaining, screw fixing bar
  • Cat No. C1/BD 0272, ...Screws, fixing, bar - With cross-pin, assembled
  • Cat No. C1/BD 0273, ...Screws, stop - 3 per sight, 2 for bar and 1 for fixing spring stud
  • Cat No. C1/BD 0274, ...Screws, wing, clamp, sliding sight - Riveted over after assembly
  • Cat No. C1/BD 0275, ...Sights, sliding - With clamp wing screw assembled
  • Cat No. C1/BD 0276, ...Studs, spring
    The sight is of steel and consists of:-
    (a) A bar about 10 inches in length, graduated in intervals of 10 minutes, and degrees up to 7 degrees right and left of the centre line.

    (b) An inverted U-shaped bracket to which the bar is a fixture, and which is arranged to assemble over the protecting wings of the ordinary gun foresight, where it is secured by a screw in the left side of the bracket and a spring stud in the right, the former engaging in the hole in the left wing and the latter in the opening in the right wing.
    The upper surface of the wing is graduated in 10-minute intervals in continuation of the graudations on the bar, the centre line being indicated as zero.

    (c) The sliding sight with clamp screw for fixing in any desired position on (a).

    The sight has a central blade and protecting wings, and is arranged to take night sights when required for night firing.

    Two indices are provided on the slide to register respectively, with the scale on (a) and on (b).

    Instructions for assembling sight to gun.- Turn fixing screw of bracket outwards towards the stop, then press bracket downward over foresight protecting wings of gun until lower end of arms of bracket seat on base of sight bracket of gun and spring stud engages opening in right wing; then turn fixing screw inward until its point engages firmly in hold in left wing.

    Care must be taken to see that excessive pressure is not applied to the screw, as such will disturb the sight protecting wings of the gun, and thereby affect the level of the bar.

    The sight protecting wings of gun may require adjustment in order to permit of correct assembly of sight and to bring bar of sight into a truly horizontal positions; this position can be determined by observation in conjuction with stem of tangent sight to which it should be at right angles when the latter is upright.

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  • Cat No. C1/BD 2520, List of changes A 9233, POUCHES, FORESIGHT, BAR, DEFLECTION, Mk. 1 - For 1 deflection bar foresight. Canvas and web
  • Cat No. C1/BD 2521, List of changes A 3312 and A 9048, POUCHES, FORESIGHT, BAR, DEFLECTION, Mk. 2 - For 1 deflection bar foresight. Web
  • Cat No. C1/BE 2019, List of changes A 9941 and C 2732, POUCHES, FORESIGHT, BAR, DEFLECTION, Mk. 2, Fasteners, quick-release, Female part. To be demanded as "Holdalls, Lewis .303-in. M.G., Mk. I - Fasteners, quick-release"
  • Cat No. C1/BE 2020, List of changes A 9941 and C 2732, POUCHES, FORESIGHT, BAR, DEFLECTION, Mk. 2, Fasteners, quick-release, Male part. To be demanded as "Holdalls, Lewis .303-in. M.G., Mk. I - Fasteners, quick-release"

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    Dial sights

    Due to the extensive use of dial sights, further details can now be found on a dedicated page.


    Night sights

  • Cat No. C1/BD 2611, List of changes A 1253, SIGHTS, NIGHT, BACK, VICKERS .303-IN. M.G., MK. 1
  • Cat No. C1/BD 2612, List of changes A 1253, SIGHTS, NIGHT, BACK, VICKERS .303-IN. M.G., MK. 1, Bodies, No. 1

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  • Cat No. C1/BD 2613, SIGHT, NIGHT, BACK, VICKERS, .303-IN., M.G., MK. 2
  • Cat No. C1/BD 2614, SIGHT, NIGHT, BACK, VICKERS, .303-IN., M.G., MK. 2, Body
  • Cat No. C1/BD 2615, SIGHT, NIGHT, BACK, VICKERS, .303-IN., M.G., MK. 2, Plate, sight
  • Cat No. C1/BD 2616, SIGHT, NIGHT, BACK, VICKERS, .303-IN., M.G., MK. 2, Screw
  • Cat No. C1/BD 2617, SIGHT, NIGHT, BACK, VICKERS, .303-IN., M.G., MK. 2, Spring

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  • Cat No. C1/BD 2623, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1
  • Cat No. C1/BD 2624, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Body
  • Cat No. C1/BD 2625, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Plate
  • Cat No. C1/BD 0907, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Screw, graduated plate, upper
  • Cat No. C1/BD 2627, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Screw, spring
  • Cat No. C1/BD 2628, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Spring, left
  • Cat No. C1/BD 2629, SIGHT, NIGHT, FORE, VICKERS, .303-IN., M.G., MK. 1, Spring, right

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    Telescopes

    ZF12

    MUNITIONS DESIGN COMMITTEE, SMALL ARMS SUB-COMMITTEE, Minute (S)2., 3 March 1916.
    TELESCOPIC SIGHT FOR MACHINE GUN
    Referred to Committee by D.D.G.M.D.(S.)

    A sample of a captured German telescopic sight for use with machine guns was laid before the Committee. The sight consisted of a prsimatic telescope 6 inches long by 4 inches high, with focussing wheel; designed to slide by a feather on the telescope into a feather way on the gun.
    The number of the instrument ZF12 No. 8325, Emil Busch, A.G. Rathenow.
    This sight has been reported from G.H.Q., France, to be extremely efficient, and adoption is recommended for the Vickers, Maxim, and Colt guns.
    The War Office inform, 10.11.15, G.H.Q., France, that the production of this telescope would interfere with the output of more important optical munitions, and recommend that this demand be dropped.

    ACTION TAKEN- War Office decision noted and proposal dropped, telescopic sight sent to C.I.W.

    Experimental

    MUNITIONS DESIGN COMMITTEE, SMALL ARMS SUB-COMMITTEE, Minute (S)17., 19 February 1916.
    TELESCOPIC SIGHTS FOR MACHINE GUNS.

    C.M.I.D. forwards (10.1.16) drawing and description of telescopic sight intended for use with a machine gun.:- "A band is clamped round the fore end of the barrel casing and supports by means of a hinge, a rod, the rear end of which is attached to the ordinary tangent sight. The rod is provided with clamps adapted to receive a telescopic sight which can thus be elevatd or depressed by manipulating the tangent sight in the ordinary way."
    D.D.G.M.D.(S.) forwards to C.I.S.A.:- "This seems a practical proposition and has evidently been made use of in the field. Please give your views on the possibility of standardisation."
    Report by C.I.S.A. 26.1.16:- "There appears to be no great difficlty as regards standardisation, but it would be advisable to have the telescope bar adjustable. It will not be possible to open the rear cover and remove the feed block when the telescope bar is assembled to the gun. This is a serious objection. Further, the telescope with the tangent sight stem raised will afford a large target for the enemy. If a telescopic sight is required, the German type fitted to a bracket on the left side of the breech casing seems preferable."
    D.G.M.D. asks War Office if they desire telescopic sight for machine gun. He points out that the German sight referred to by C.I.S.A. is difficult to manufacture; that the present proposal is simple but will interfere with the normal working of the gun.
    Deputy Chief of the General Staff replies, 31.1.16:- "In view of the objections pointed out by C.I.S.A., it is not desirable to introduce this device."
    Referred by D.D.G.M.D.(S.) to Munition Design Committee to note.

    ACTION TAKEN- This decision is noted by the Committee.


    Posts, Zero, M.G., Mk. I

  • Cat No. C1/BD 2516, List of changes A 3312, POSTS, ZERO, M.G., MK. 1
    This post is provided for use in conjuction with machine guns employed for indirect fire. It consists of an iron road ½-in. diameter, bent at one end to form an aiming ring of 4-in. internal diameter and pointed at the other for insertion into the ground. The post, which is painted service colour, is about 38½-in. overall length.
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    Pegs, Night Line, M.G., Mk. I

  • Cat No. C1/BD 2480, List of changes B 921-P, PEGS, NIGHT LINE, M.G., MK. I - Comprising one 9-in. and two 18-in. pegs, and one collar
  • Cat No. C1/BD 2481, List of changes B 921-P, PEGS, NIGHT LINE, M.G., MK. I, Collars
  • Cat No. C1/BD 2482, List of changes B 921-P, PEGS, NIGHT LINE, M.G., MK. 1, Pegs, 9-in.
  • Cat No. C1/BD 2483, List of changes B 921-P, PEGS, NIGHT LINE, M.G., MK. 1, Pegs, 18-in.
  • Cat No. C1/BD 0168, List of changes B 921, CASES, PEGS, NIGHT LINE, M.G., MK. 1 - For two sets of Pegs, night line, M.G., Mk. 1

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    Lamps, Aiming, M.G.

    Due to the extensive use of aiming lamps and posts, further details can now be found on a dedicated page.


    Posts, Aiming, M.G.

    Due to the extensive use of aiming lamps and posts, further details can now be found on a dedicated page.


    Direction dials

  • Wheel, Elevating, Mk. I

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  • Dial, Direction, Mk. I

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    MACHINE GUN TRAVERSING DIAL

    MUNITIONS DESIGN COMMITTEE SMALL ARMS SUB-COMMITTEE. Minute (S)29, 4 Mar 1916.

    M.I.D. reports to D.D.G.(S.) 21.2.16:-
    "At the request of the Advisory Committee of this Department he sends herewith for consideration particulars of a machine gun traversing dial with rotating scale for zeroising. He understands some thousands of the present pattern are now on order, but considers it would no be possible to alter these satisfactorily, so he has had a drawing made of one with movable scale, similar in size and appearance, and if this is thought an improvement it might be possible to substitute it for some of those now on order.
    "He also encloses, alternatively, a design which only entails alteration to the pointer, but only gives an adjustability of 60°."

    The particulars of employment are as follows:-
    Improved method of fire direction for machine guns.
    It is only by means of very careful target description that the fire from two or four machine guns can be concentrated on one target. In action or even on manoeuvres this is frequently found to be impossible.
    The following method shows how by a single device, fire can be controlled on two, four, or six guns, so that they can immediately bring concentrated fire to bear on any target by the simplest fire orders.
    The method was introduced in Egypt during the early part of 1915 in the 1/6th Battn. Manchester Regt., was adopted by the Manchester Infantry Brigade, and was found of great value on manoeuvres in Egypt and in action at the Dardenelles.

    The invention includes the following features:-
    1. The use on the tripod of a graduated scale which is cylindrical and so can be used without exposing the head.
    2.(a) The use of a scale which can be rotated by hand and clamped in any position so that the zero mark can be brought opposite the pointer while the gun is laid on the aiming point. The pointer is attached to the crosshead of the tripod.
    (b) Or alternatively the use of a pointer which can be adjusted laterally. This, when used with a fixed scale, is equally good for a front aiming point, but is not satisfactory for a flank aiming point.
    (c) The use of a director which is made on the same principle as (a), having a pointer attached to the sights and a single graduated scale which can be rotated. For direct fire the director need not be used, as fire can be directed by obtaining the angle from one gun and giving orders to the other guns, i.e., one gun is used as director.

    Method of use, direct fire.
    A front aiming point is chosen, preferably at about the same range as the target is likely to be, since this will give convergent lines of fire from the different guns. This point is carefully described, and the director and guns are all laid on it and all scales adjusted to zero.
    The guns can now be immediately laid on any target by merely ordering:-"Range, angle, short description of target."

    Advantages.
    While description of targets is reduced to a minimum, fire from several guns can be immediately concentrated on any target with greater certainty than by other methods.
    The fixed scale on the contrary, while of value or an individual gun, involves a large amount of calculation if used for combined fire.
    No calculation of angle is necessary. Guns can be laid in the required direction without exposure of the teams. If necessary all laying may be done by means of periscopes. In the case of a small target, difficult to describe, it is found that the direction can be obtained accurately enough from the angle to enable the target to be recognised. Guns can be employed to sweep away certain sectors, and can immediately concentrate in one direction.
    The device can be fitted to any Mark IV tripod as easily as the fixed scale.

    Example:-
    A front aiming point havng been chosen and carefully described, all guns and the director are laid on it and all scales adjusted to zero.
    Four guns are in action.
    Fire Orders.
    (1) "300 yards trenches. R section, 350 to 360 degrees. L section 0 to 10 degrees inwards traversing fire."
    Target to L. of aiming point.(2) "400 yards 18 degrees, group of men, rapid fire."
    Target to R. of aiming point.(3) "300 yards 340 degrees, emplacement, rapid fire."

    Indirect Fire.
    The method employed is similar to that employed with artillery. A flank aiming point will generally be taken. This gives parallel lines of fire. As with direct fire the scales on guns and directors are adjusted to zero while laid on the aiming point. Convergent lines of fire can be obtained by a slight correction on the different guns. This can be arranged in a table, but is best found by practice.
    A distant rear aiming point is very often of value for indirect fire.
    In the case of indirect fire also no calculation of battery angle is necessary, the angle being read off direct on the guns.

    D.D.G.(S.) to Munitions Design Committee 25.2.16:-
    "Please consider. It does not seem that there is any marked advantage in this over the existing patterm of traversing dial, and it would be unwise to have it adopted unless it was of superlative value."

    ACTION TAKEN-
    Reported to D.D.G.M.D.(S.).
    The Committee recommend that one sample be made up in accordance with Drawing 370 in final form, ready in every respect for use with a Vickers Machine Gun, and that in addition an 18-pounder dial sight of the original design before the introduction of the panorama sight be put before the Committee at the same time.

    MUNITIONS DESIGN COMMITTEE. SMALL ARMS SECTION. Minute (S.)47, 1 April 1916.

    A Traversing Dial made up in accordance with Drawing 370 in final form, ready for use with a Vickers Machine Gun, and an 18-pounder Dial Sight of the original design, were put before the Committee.

    ACTION TAKEN- Reported to D.D.G.M.D.(S). The Committee recommends that this Machine Gun Traversing Dial be forwarded to C.I.S.A. in order to ascertain if it is suitable in construction for use with the Vickers Gun; and, if suitable, that it be submitted to General Headquarters in France for their opinion.

    MUNITIONS DESIGN COMMITTEE. SMALL ARMS SECTION. Minute (S.)51, 15 April 1916. (Ref. Min. (S)47, 1.4.16.)

    D.D.G.(S.), 5.4.16, forwards the Traversing Dial to D.S.3, to carry out the trial recommended by the Munitions Design Committee.
    Report by Experimental Officer, School of Musketry, 10.4.16.
    I have tried this improved dial. It is a slight advantage to be able to set the dial correctly, but as against this there is a risk that a blow would injure the moving part of the dial. As it is assumed that this dial would be carried as part of the mounting, this is an objection, as it will not stand rough handling. There is no real difficulty in doing all that is required without this alteration.
    It was noticed that the dial will not fit all Mark IV mountings.
    Referred to Munitions Design Committee by D.D.G.(S.), asking for a re-consideration of its recommendation on Minute (S.)47 in the light of the report from Hythe.

    ACTION TAKEN- Reported to D.D.G.M.D.(S). On re-consideration of this subject and in view of the report by the Experimental Officer, the Committee is of the opinion that this design has not sufficient advantage over the service traversing dial to warrant its adoption or further trial.

  • Dial, Direction, Mk. II

    Converted from Mk. I

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    New manufacture

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  • Pointer

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    Base, .303-in., M.G., Tripod Mtgs., Mk. I

  • Cat No. C1/BD 8099, BASE, .303-IN. M.G., TRIPOD MTGS., MK. 1

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    Anti-aircraft

    Experimental

    MUNITIONS DESIGN COMMITTEE, SMALL ARMS SUB-COMMITTEE, Minute (S)20., 19 February 1916.
    ANTI-AIRCRAFT SIGHT FOR MACHINE GUN (CAPT. NEWTON)

    C.M.I.D. (4.2.16) forwards a design of anti-aircraft sight for machine gun, consisting as follows:-
    (a) A height range chart and scale. The height and range of the target being known a line is drawn joining the corresponding point on the chart with the origin. The line is produced backwards and the reading where the line cuts the scale gives the setting for the sight.
    (b) A plane mirror is pivoted on the breech of the gun and is provided with a scale which is set against a pointer on the gun to the reading found as in (a) above. The mirror is mounted on a frame carrying a pin-hole sight, and has two crossed lines mounted on it. The chart is so ruled that when the sight is set according to the reading obtained by its means, and the gun elevated so that the target is visible on the intersection of the crossed lines through the pin-hole, the tangent elevation, corrected for the angle of sight, is given.
    Experimental Officer, School of Musketry, Hythe, 14.2.16, reports that it would not be so easy to attach this sight at the place indicated, as the fusee spring box is in the way. Also it would appear to be necessary to engrave an arrow on each gun to read by. If all the details as to range and sight are known it would appear to be just as easy to use the ordinary sights with a mirror [t]o reflect them in. Two such mirror fittings have been made in the past (Lieut. Meissner's and S.W.E.'s). I do not think that even if an anti-aircraft sight is required for machine guns that this would be a good pattern.
    Referred by D.D.G.M.D.(S.) to Munition Design Committee for consideration.

    ACTION TAKEN-
    The Committee wish to point out that it is not stated how it is proposed to attach the sight to the gun; it appears undesirable to attach it to the fusee box, for this may foul the mechanism. Further, it is doubtful if there is sufficient metal in the fusee box to hold the attachment. The assumption that the height and range are known is a large assumption to base any calculations on; even if this assumption can be made there is no allowance for the speed and movement of the aeroplane after the moment when the observation is taken.
    The Committee does not recommend the adoption of this sight.
    The Committee recommends that a statement be obtained from General Headquarters in France as to the value generally of rifle and machine-gun fire against aircraft, and that they be requested to place at the disposal of the Committee any record of practical results which have so far been obtained and the conditions under which such results were achieved.

    Ranging indicators

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    Protractors

  • Acetate range table / protector

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  • Charteris Protractor

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  • Cat No. C1/BD 0169, List of changes B 3714, CASES, PROTRACTOR, RESECTOR, MK. 1 - For Protractor, resector, Mk. 1
  • Cat No. C1/BD 2527, List of changes B 3714, PROTRACTORS, RESECTOR, Mk. 1
  • Cat No. C1/SM 343, List of changes C 3680, PROTACTORS, RESECTOR, Mk. 2

    Compasses

  • Great War

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    Plotters

  • Cat No. C1/VE 0128, List of changes A 9932, B 3615 and B 5106, PLOTTERS, M.G., No. 1, Mk. I - Steel; for Vickers .303-in. M.G., with Mk. VII ammunition
    The No. 1 machine gun plotter was introduced into service in 1936 for use with Vickers .303-in. machine guns with Mk. VII ammunition. It is employed in conjunction with the No. 9 director for indirect laying to enable the line of fire to be picked up from an observation post at any distance up to 2,000 yards from the gun position.
  • Cat No. C1/OS 1A, List of changes B 3005, B 3615 and B 5106, PLOTTERS, M.G., No. 2, Mk. I - Steel; for Vickers .303-in. M.G., with Mk. VIII Z ammn.
  • Cat No. C1/OS 333, List of changes B 2996 and B 5106, CASES, M.G. PLOTTERS, MK. 1 - For Plotters, M.G., Nos. 1 and 2, Mk. 1

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    Directors

    The director is an instrument for measuring angles in connection with the control of indirect gun fire. Angles are measured in both the vertical and horizontal planes. Horizontal angles are measured 180 degrees left or right of some arbitrary reference point; vertical angles are required to a limited extent, and are always measured from the horizontal. Errors are caused if the planes of measurement are not truly horizontal or vertical; means must therefore be provided to ensure this.
  • Director, No. 9, Mark I
    The No. 9 director was introduced into the service in 1936 to meet the requirements of a light and accurate director for machine guns.
  • Director, No. 9, Mark II

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  • Stand, Instrument, No. 28, Mk. I
    The No. 28 instruments stand, which is a tripod stand with telescopic legs, was introduced into the service in 1936 for use with the No. 9 director.
  • Stand, Instrument, No. 28, Mk. II

    Binoculars

  • Great War

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    Spirit levels

  • Level, Spirit, M.G.

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    Instruments boxes

    The Instruments Box was carried with the Platoon and Section Commanders. After 1939, the contents varied on who carried it and is covered in the table below.
    Year
    1931Field plotter1
    Set squares2
    Ebony ruler1
    Director1
    Clinometers, with bar foresights in cases and pouches2
    Set drawing instruments1
    Pins, J.C.H.2
    Pins, J.E.C.2
    Screw, clamp, checking traverse1
    Spare batteries2
    Platoon Commander'sSection Commander's
    1941Cases, batteries and bulbs2Cases, batteries and bulbs2
    Bulbs2Bulbs2
    Batteries2Batteries2
    Director in case1Pins, crosshead joint2
    Plotter M.G.1Chains, crosshead joint2
    Protractor resector in case1Pins, elevating joint2
    Screw clamp, checking traverse1Chains, elevating joint2
    Lamps, electric2Lamps, electric, No. 12
    Night firing pegs in case1
    1944Director (in case)1Case, battery and bulb1
    Screw clamp, checking traverse1Bulb1
    Cases, batteries and bulbs2Battery1
    Bulbs2Lamps, electric3
    Batteries2Pins, crosshead joint2
    Lamps, electric2Chains, crosshead joint2
    Protractor, resector (in case)1Pins, elevating joint2
    Chains, elevating joint2

  • Cat No. C1/BD 6045, List of changes B 4738, BOXES, M.G. INSTRUMENTS, Mk. 1 - Converted Box, carrier, magazine, Lewis .303-in. M.G., Mk. I*. Steel, with spring catch lock, web handle and 2 Cases, battery and bulbs, Mk. I
  • Cat No. C1/CM 1611, List of changes B 7343, BOXES, M.G. INSTRUMENTS, Mk. 2 - With spring catch hook, web handle and 2 Cases, battery and bulbs, Mk. 1
  • Cat No. C1/BD 6034, List of changes B 7343, BOXES, M.G. INSTRUMENTS, Mk. 3 - With web handle and Case, battery and bulbs, Mk. 2
  • Cat No. C1/BD 6069, List of changes B 7343, CASES, BATTERY AND BULBS, Mk. 2 - For Boxes, M.G. instruments, Mks. 1*, 2* and 3
  • Cat No. C1/SM 3A, List of changes C 1, CASES, BATTERY AND BULBS, Mk. 3 - For Boxes, M.G. instruments, Mks. 1*, 2* and 3

    Equipment Set

  • Cat No. C1/BD 8989, EQUIPMENTS, Foresights, bar, deflection, Comprising:- Clinometer, Vickers .303-in. M.G. Mk. I or Mk. II (Qty 1); Clinometer, Vickers .303-in. M.G., Case, Mk. II (Qty 1); Foresight, bar, deflection, Mk. I (Qty 1); Lamp, aiming, M.G., Mk. III (Qty 1); Post, aiming, M.G., Mk. III (Qty 1); Post, zero, M.G., Mk. I (Qty 1); Pouch, foresight, bar, deflection, Mk. II (Qty 1); Sight, night, back, Vickers .303-in. M.G., Mk. II (Qty 1); Sight, night, fore, Vickers .303-in. M.G., Mk. I (Qty 1).
  • Cat No. C1/BD 8987, EQUIPMENTS, Sights, dial, M.G., Comprising:- Box, dial sight, Vickers M.G., Mk. I or Mk. II (Qty 1); Lamp, aiming, M.G., Mk. III (Qty 1, for every 2 guns); Post, aiming, M.G., Mk. III (Qty 1, for every 2 guns); Post, zero, M.G., Mk. I (Qty 1); Sight, dial, M.G., Mk. I*, III or IV (Qty 1); Bubble, spirit, glass, "L", Mk. I (Spare) (Qty 1);

    Hyposcopes and Mirrors

    For a machine gun in an emplacement, it is a vulnerable task to be the No. 1 Machine Gunner responsible for the firing of the gun. Sighting and firing the gun would require that person to expose themselves to line up the gun on the target. To reduce this risk, a number of accessories were developed to enable the gun to be lined up from below the level of the gun, and fired remotely.

  • Hyposcope
    General Routine Order 797 dated 23 April 1915.
    Machine Gun Equipment.

    Approval is given for the issue of the following stores for use with machine guns:-
    Ammunition box carrier1 per machine gun
    Stove pipe attachment1 per machine gun
    Hyposcope1 per machine gun

    Indents to complete to above scale should be sent to Ordnance Officers concerned, and issue will be made as supplies become available.

    VICKERS AND MAXIM GUN, AUXILIARY HANDLES FOR USE IN CONJUNCTION WITH THE YOULTEN HYPOSCOPE

    MUNITIONS DESIGN COMMITTEE SMALL ARMS SUB-COMMITTEE. Minute (S)7, 3 Mar 1916.
    Referred to Committee by D.D.G.M.D.(S.).

    Sample submitted by C.I.S.A. as follows:-
    "The wood plate which engages the handles of the gun is common to that on the hyposcope for Maxim and Vickers guns (wood box pattern).
    "The two levers are for operating the safety catch and firing lever respectively.
    "It is proposed to make the woodwork of ash or beech in supply if the design is approved.
    "Although the handles are suitable for all patterns of Maxim guns, the Youlten hyposcope is suitable only for the .303" Maxim Gun - not for .303" converted guns. There is, of course a separate pattern for the Vickers gun.
    "Mr. Youlten has taken particulars which should enable him later on to provide, if required, a design suitable for all Maxim guns and for the Vickers gun, which can be used with a battle sight without raising the tangent sight stem, as in the case of the present pattern for the Vickers gun."

    ACTION TAKEN- The Committee recommends that this auxiliary handle attachment be sent to France for trial, explaining it is less expensive and easier to obtain than the steel tubular handles now supplied.

    Recommendation submitted to D.D.G.M.D.(S.)

  • Mirrors
    General Routine Order 927 dated 17 June 1915
    Machine Gun Equipment.

    Approval is given for the issue of the following stores with Machine Guns when night firing:-

    Mirrors for night firing, complete with stick, 1 per machine gun.

    Indents should be sent to Ordnance Officers concerned, and issues will be made when supplies become available.


    Sources:

  • Munitions Design Committee, 1916
  • War Office, 1921; 1940a; 1941; 1942; 1944c; 1949a; 1953

    Specific source references can be provided if required.

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