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Optical Instruments

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**RARE**WW2 ‘Dirty Dozen’ 15 Jewel Swiss Omega British WD Wrist Watch With Correct Military & Manufacturer Markings & Later Wrist Strap. Sn 16357 - 16357
In the 1940s, during World War II, Britain’s Ministry of Defence (MOD) needed watches to issue to army personnel – they felt civilian watches just didn’t quite make the mark. Perhaps in a bid to maximise production, rather than partnering with a specific brand, they invited Swiss manufacturers who could build a watch to the requested standard to bid for contracts. Due to the rigours of military life, very strict specifications were set, and all in, twelve watch manufacturers were eventually accepted, resulting in the nickname ‘The Dirty Dozen’. They were: Buren, Cyma, Eterna, Grana, Jaeger Le-Coultre, Lemania, Longines, IWC, Omega, Record, Timor and Vertex. These were all delivered in 1945 and accompanied by a pigskin or canvas strap. More formally, these watches were known as W.W.Ws, a code established by the British Army to distinguish these from other military equipment and it simply stood for Watch. Wrist. Waterproof. The MOD specs were exactly what you would expect a military watch to be - waterproof, luminous, regulated to chronometer level and composed of a case that was rugged. Two serial numbers were required, one being the manufacturer’s number, and the other (with the letter) being the military store number. On top of that, the dial needed to be black, with arabic numerals and sub seconds in order to maximise legibility. The case-back had to include the W.W.W designation and a broad arrow marking, with the dial only displaying the latter. This is a rare, original, WW2 British Military watch by the quality Swiss manufacturer Omega, one of ‘The Dirty Dozen’. The watch has all of the correct WD features listed above and has crisp Omega and WD markings together with 15 jewelled movement and compensated balance wheel (all markings illustrated). The watch is unrestored and has the correct steel pins and removable screw back. It is fitted with later expanding metal bracelet over the original pins. The glazed face is 36mm diameter. The watch has been inspected and is in fully working order. The price for this rare WW2 British Military Omega watch includes UK delivery. Sn 16357 (drawers office)
£975.00

**FULL WORKING ORDER**Early 20th Century / Pre WW1 Brass Cased Naval Bulkhead Ship’s Clock Complete With Key. Sn 23183 - 23183
This is an excellent brass nautical ship’s bulkhead clock by Armstrongs of Manchester made in the early 20th century before the Great War. It has a 6 ¾” diameter enamel face which is clean. It has 1-12 hour Roman numeral markings with black metal hour and minute hands & minute timer dial. There are no visible maker or date marks on the clock. The face also has an adjustable slow-fast slider in a slot for fine tuning the time keeping & a hole for key winding. The clock case is brass and measures 8 ½” diameter including its integral rim which has 4 factory drilled holes for wall mounting. adhered to the rear of the clock is a label with hand written numbers '205-4752'. It has a hinged, brass rimmed, glazed face cover and is complete with brass winding key. The clock case is 3 ¾” deep with the face closed. This clock is fully functioning, keeping precise time. The price for this excellent nautical time piece includes UK delivery. Sn 23183 (clocks shelf storeroom)
£295.00

WW2 Nazi German 7 X 50 Magnification Kriegsmarine Binoculars By Nazi Code ‘blc’ Carl Zeiss, Jena With 1944 Dated Case & 1943 Sprung Fastener By Nazi Code frn (Federn Metallwerkenfabrik). Sn 15757 - 15757
These are a very good, original cased pair of Nazi German, 7 X 50 Magnification, Kriegsmarine Binoculars. The Binoculars have a black textured finish, with adjustable eyepieces. The textured finish has areas of surface wear to be expected with age and service use but the metal work is undamaged. The body of the binoculars have lanyard bars and are fitted with original leather neck strap. All optics are excellent and function as they should. The shoulders are crisply marked '7 x 50' (Magnification) together with serial number and bears the German manufacturer's Nazi code blc which is Carl Zeiss, Jena (all illustrated). The Binoculars are contained in their fitted sturdy black leather case with hinged lid. The lid of the case has its original sprung fastener which is date stamped ‘43’ (1943) together with Nazi manufacturer code ‘frn’ which is Federn Metallwerkenfabrik Havel (illustrated). The body has its original single stud fastener. The case has hinged strap rings (shoulder strap absent) & the rear of the case has a large riveted and stitched belt loop. The body of the case body is date stamped ‘1944’ together with indistinct Nazi manufacturer code (illustrated). The price includes UK delivery. Sn 15757
£845.00

Boer War Era, British, 1894 Dated Watkin Clinometer for Ranging Artillery Pieces. - MISC 1014
This is a Watkin clinometer made in 1984 and was used for checking the elevation and ranging of artillery weapons used for indirect fire by the military such as the British army, to lay and orient guns. It could measure elevation to ensure correct firing angles and was later used to check the accuracy of new sighting devices. This is a Watkin clinometer made in 1894 and has a WD stamp and crowfoot on the side of the frame. The adjustable dial is marked WATKIN CLINOMETER 1894 (DATE) SIEMENS BROS & Co MAKERS 1110 LONDON. The bronze frame is stamped with the war department WD and a crowfoot. The elevation dial and spirit level are made of brass. The spirit level glass and bubble are in good working order. The elevation scale is marked in degrees and minutes up to 45 degrees. The price for this Boer War era clinometer includes U.K. delivery. MISC 1014
£275.00

WWI, 1914 Dated, British, 13 & 18 Pounder Artillery Dial Sight No7 MKII. - MISC 1013
This is an original, early First World War, 1914 dated British No7 Mark II dial sight used on 13 and 18 pounder field guns. The sight could be used for both indirect periscope sighting and for direct line of sight. Th top of the prism is stamped DIAL SIGHT NO7 MKII R&J Beck Ltd 1914 (1914 date) No 1475. The sight is in excellent condition and the body retains much of its original black finish. The optics of the sight are good with a nice crosshair in the entre. The sight was bolted to the left hand side of the gun and was held in position with a castellated nut and split pin, both of which are both present. The price for this early WW1 prismatic 13 and 18 pounder field gun sight includes U.K. delivery. MISC 1013
£275.00

**RARE**Original British WW1 Trench Warfare Periscope Mirror Observation Attachment For British Pattern 1907 SMLE Rifle Bayonets. OPT 901 - OPT 901
This is a rare to find original WW1 Trench Warfare Periscope Mirror Attachment For British SMLE Rifle Bayonets, see page 351 of ‘The Lee Enfield Story’ by Skennerton where an MOD pattern room image of one of these devices attached to a Pattern 1907 bayonet is illustrated. That image and a period image of one of these devices in use attached to a British Army Sergeant’s SMLE rifle are illustrated in image 1. There are no visible maker or date marks on this periscope mirror. The steel cased mirror measures 49 mm x 90 mm x 8mm when closed. The hinged case has a clip attachment to the rear which neatly slides onto the tip of a British Pattern 1907 bayonet. The clip is hinged for adjustment. The metal work has most of its original green paint. The case opens to reveal a small mirror which has some tarnish due to age but is still useable. The price for this rare trench warfare piece includes UK delivery. OPT 901 (in Misc drawer office) NB The WW1 SMLE & Bayonet illustrated in the images are not included but are available separately on our website stock number D 5990)
£225.00
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