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Optical Instruments

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Cased, WW1 Era British Officer's Military Marching Compass By Francis Barker & Son, London With WW1 Era Brown Leather Case marked 'WBD'. Sn 10635. - 10635
Francis Barker & Son were British manufacturer's of WW1 marching compasses favoured by British Officers. This is a an excellent fully functioning WW1 British Officer's Military Compass By Barker & Son. It has a brass case and is mounted with lanyard ring. The glass face and numbered brass outer ring are perfectly in tact. The lid plate is stamped with a small Barker and Son London Trademark. It is complete with brown leather case with flap cover and stud fastener. The case has impressed initials 'W.B.D' highlighted in gold leaf. Price for this nice WW1 cased piece of equipment includes UK delivery. Sn 10635

WW1 1917 R & J Beck Ltd London 3 Draw WD Marked MK IV British Military Telescope Marked '5 SOM LI 8047' With Spare Eye Piece & Leather Cases With Straps. Sn 10607 - 10607
An excellent WW1 British Military telescope with spare eye piece and brown leather cases. This 3 draw MK IV telescope was made in 1917 by R & J Beck Ltd London. It is complete with an additional increase magnification eyepiece which is stamped 'N&Z High Low' It also has it's own separate brown leather case and straps. The telescope is made of leather covered brass and is nicely stamped with the manufacturer's name, 1917 date, model detail and WD arrow (illustrated). The leather cover of the telescope is impressed '5 SOM LI 8047'. The scope when open measures 31 1/2". It is complete with leather end caps and carry strap with adjustable buckles. All optics of the telescope and spare eyepiece are excellent and function as they should. The price includes UK delivery. Sn 10607

1987 Dated, SUSAT, 4 x Magnification Sight Unit For British Infantry SA80 Rifles With Mount & Rail. Sn 10537 - 10537
The Sight Unit Small Arms, Trilux, or SUSAT, is a 4 telescopic sight with tritium-powered illumination, utilised at dusk or dawn. The sight is not designed as a sniper sight, but is rather intended to be mounted on a variety of rifles and to be used by all infantrymen. SUSAT is the primary sighting system for the British Army's SA80 series weapons and L108 and L110 light machine guns. The SA80 Rifle and it's accessories including the Susat sight are described in Steve Raw's Book 'The Last Enfield' and the sight is illustrated on many pages of the book. The Optics of this Susat sight are excellent and fully functional. The rubber eye cup is complete and undamaged. The underside of the unit has it's original identification plate marked 'AVL Reg No 152328' and dated '1987'. The sight is complete with it's top rail and mount. Price includes UK delivery. Sn 10537

SOLD *** SOLD *** FULL SIZE, ORIGINAL, FULLY FUNCTIONAL, 1st TYPE, WW2 Pre 1943, British RAF Air Ministry Operations Room, Fusee Movement, 'Colour Change' Sector Clock By F.W Elliott Ltd With Original Case, Key & Pendulum. Sn 10408 - 10408
A Sector clock or colour change clock was a round colour-coded clock used at military airfields and observation posts in the United Kingdom to help track the movements of enemy aircraft and control friendly aircraft. Originally known as "colour change clocks", they were introduced during the First World War by the Royal Flying Corps in 1917 to monitor the movements of German aircraft. Later, during the Second World War they played a significant role in the Battle of Britain. 1st Type RAF Sector Clocks were made from 1935 through to 1943. Most were made by FW Elliott Ltd. These clocks are sought after by collectors. The 1st Type RAF Sector Clock has the "King's Crown" and 'Wreathed RAF insignia' under the "24" at top centre. The Sector Clock was used as follows: Aircraft position was recorded along with the colour of the triangle beneath the minute hand at the time of sighting. This was reported to sector headquarters, where counters of the relayed colour were used to represent each air raid on a large table with a map of the UK overlaid with a British Modified Grid. As the plots of the raiding aircraft moved, the counters were pushed across the map by magnetic "rakes". This system enabled "Fighter Controllers" to see very quickly where each formation was heading and allowed an estimate to be made of possible targets. The age of the information was readily apparent from the colour of the counter. Because of the simplicity of the system, decisions could be made quickly and easily. This is an excellent original WW2 1st Type RAF Sector Clock complete with it's mahogany case with hinged inspection panels and 4 retaining pegs. The top edge of the rear of the wood case is very faintly marked by the manufacturer 'Made By F.W. Elliott' & dated '194?' (the last digit is unreadable but will be a pre 1943 date). The wood case is also stamped '25 J' in several places. The diameter of the glazed clock face with brass rim which is hinged for inspection & winding is 14". It measures 19"x19"x7 1/2" overall including case. The clock is retained in it's wood case by the 4 wooden pegs. The wood case has 2 hinged inspection panels, one on the underside for the pendulum and the other on the right side. The pendulum hatch is locked by a key which is present. The rear of the case has holed metal plates for wall hanging. The Clock face retains it's vivid coloured sectors and has the correct RAF insignia with Kings Crown under the '24'. It has black 'hands' and numerals and it's superb brass fusee movement with key and pendulum work perfectly (Fusee movements were used in antique spring-powered mechanical watches and clocks, a fusee is a cone-shaped pulley with a helical groove around it, wound with a cord or chain which is attached to the mainspring barrel). This clock has been fully serviced and it's action is pristine and fully functional. This extremely rare WW2 RAF Sector clock is a must for any serious collector of aeronautica. NB To avoid damage to this historic timepiece it will not be posted & must be delivered in person or collected by the purchaser. Sn 10408

VERY RARE, WW1 1915 Creagh-Osborne Patent British Officer's Prismatic Military Marching Compass By Hughes & Son London. Sn 10431 - 10431
Captain Frank Osborne Creagh-Osborne Royal Navy (1867-1943) was the Superintendent of compasses with the British Admiralty. His Patent Prismatic compass (Pat No. 1148/1915) were manufactured by H.Hughes & Son Ltd, London in 1915 and offered to the British Army. British Military marching Compasses were developed from the Creagh-Osborne design. This is a very rare excellent fully functioning WW1 Creagh-Osborne Patent Compass made by Hughes & Son. It has a brass case which is 2 3/4" diameter and is mounted with lanyard ring. The glass face and numbered brass outer ring are perfectly in tact. Its folding prism and pointer are present and undamaged. The front of the compass is nicely marked by the manufacturer and with 1915 Patent detail (all illustrated). The rear is stamped with War Dept arrow. Price for this rare WW1 piece of equipment which assisted the development of British Military Compasses includes UK delivery. Sn 10431

Early WW2, Nazi German, Sand/Tan Camouflage Deutsches Afrika Korps (DAK) 10 X 50 Magnification, Dienstglas (Service Glass) Binoculars By 'bmj' Hensoldt Wetzlar With 1942 Matching Manufacturer Case Also Marked 'frn' (Rudolph Lang). Sn 10400:3 - 10400:3
An original pair of WW2 Nazi German, 10 X 50 Magnification, Infantry Officer's Binoculars & Matching Maufacturer marked 1942 dated case. The binoculars have a Sand/ Tan coloured textured Camouflage paint for desert / Afrika Korps (DAK) use. The binoculars feature a unique roof prism (Dachkant prism) developed by Hensoldt and early WW2 production examples are 189mm in height (see page 115 of Military Binoculars by Rohan). These binoculars are 189mm in height indicating early WW2 production and have adjustable Bakelite eyepieces. The body of the binoculars have lanyard bars and they are fitted with original thin leather neck strap. All optics are good and function as they should. The binoculars are crisply stamped 'DF 10x 50', with serial number '13684' together with 'bmj' which is the Nazi wartime code for Hendsolt Wetzlar. They are contained in their fitted sturdy black leather case with hinged lid. The lid of the case has it's original sprung, armoured strap and the body has it's original single stud fastener. The inside of the lid is ink stamped with a matching manufacturer mark 'bmj'. The armour of the strap has a separate Nazi manufacturer mark 'frn42' (Rudolf Lang, Brandenburg an der Havel & 1942 date). The case is fitted with leather shoulder strap. Price for this excellent set of nicely marked Nazi Binoculars in it's matching case, includes UK delivery. Sn 10400:3
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