Single lens reflex camera for 120 rollfilm 2 1/4 x 3 1/4 inch. Teak and bronzed metal. Aldis-Butcher Anastigmat F:4.25 inches f/4.5-32 No 151366. fabric focal plane shutter 25/40/50/75/125/250/500/T. Rack and pinion focusing, infinity to 4', ground glass focusing screen with collapsing hood, mirror removed by shutter release, optical frame finder, F: 6604. Houghton-Butcher. Ensign FP Roll Film Reflex Camera (Tropical Model) Photographic Technology 1928
Low power transportable radio transmitter in teak case, complete with hand-driven generator, made by G E Mortley-Sprague and Company, Tunbridge Wells, Kent, England, 1920-1930 Low power transportable radio transmitter in teak case, 1920-1930 Radio Communication 1920-1930
Model on teak base, illustrating action of control valve of Browns steam tiller steering gear Marine Engines 1911-1921
Brass locomotive bell, on teak base, from 5000th locomotive built by Baldwin locomotive works for the Philadelphia Railway, USA, 1880. baldwin locomotive bell Locomotives and Rolling Stock Components 1880
Gendle balloon balance, Met O 97. for pilot balloon, for Royal Navy Meteorological Service Meteorology
Working model, scale 1:16, of Joseph Maudslay’s 1853 patent adjustable pitch screw propeller, fitted to vessel’s stern, on wood base, by Maudslay Sons and Field, Lambeth, London, England, 1853 Working model, of Joseph Maudslay’s 1853 patent adjustable pitch screw propeller Marine Engines 1853
Model, scale 1:18, of a 'Batil', an Arab trading vessel used on the Omani coast for pearl fishing, with two masts (raking forward) and lateen sails, by Deerjeebhoy Merwanjee, Bombay, Salsette Island, Maharashtra, India, 1842-1851. Deerjeebhoy Merwanjee built the model from a beam of the 'Cornwallis', which was built in 1788 of Malabar teak. Model of a 'Batil', Arab trading vessel Water Transport 1842-1851
Ensign single lens reflex camera, teak with bronze fittings and brown leather bellows. Aldis-Butcher Anastigmat F:6"; f.4.5-32, No. 1 148998. Rack and pinion focusing to 18". Lens covered by hinged shade. Focal plane shutter 15/20/30/50/75/100/200/350/500/1000/T. Single knob adjustment. Ground glass reflex screen; direct focussing screen in rotating back, for 3 1/4x 4 1/4" plates. With Holborn rollfilm holder for 3 1/2x 2 1/2", 120 film. Ensign Special Reflex camera, tropical model Photographic Technology 1925-1935
Wooden printing frame for negatives from 'Le Self Photo' camera with two transparencies of a lady. transposing printing frame for stereo pictures Photographic Technology
Long-range mercury and glycerine barometer by Negretti & Zambra, London, 1876. Long-range mercury and glycerine barometer, 1876 Meteorology 1876
Self pitching propeller, final two-bladed experimental development, designed and made by Christopher John Coxon and made by Woodcoxon Engineering Limited, Petworth, West Sussex, England and tested by Admiralty Marine Technology Establishment, Haslar, Gosport, Hampshire, England, 1982. On teak display stand by Science Museum Workshops, South Kensington, London, England, 2000-2001. This two-bladed self pitching propeller was originally designed by John R. Coxon, Petworth, West Sussex, England, 1977 and made by Woodcoxon Engineering Limited, Petworth, West Sussex, England, 1978-1979, tested and certified by Admiralty Marine Technology Establishment, Haslar, Gosport, Hampshire, England, 1978-1979. Self-Pitching Propeller, Final Two-Bladed Experimental Development Marine Engines 1982
Ensign special tropical single lens reflex camera for plates or cutfilm negative size 3 1/4 x 4 1/4". Made of teak with brass fittings. Self capping focal plane shutter, speeds 1/15-1/1000sec and T. Lens panel has rising front. Fitted with an Aldis Butcher Anastigmat F.4.5 6" f.l. ith 5 single metal slides. Houghton-Butcher, c.1920 Ensign special tropical single lens reflex camera, c 1920 Photographic Technology 1915-1925
Tropical single lens reflex camera for plates or cutfilm 3 1/4 x 4 1/4. Possibly Graflex. Has reversing back and rising front movement with rack and pinion focusing. Fitted with a Carl Zeiss Tessar F.4.5 150mm lens. Self capping focal plane shutter with speeds 1/8-1/350sec Time. Fitted with synchronising device (later). Made of teak with aluminium fittings. c.1930 tropical single lens reflex camera Photographic Technology 1930
Ross tropical reflex single lens reflex camera for plartes or cutfilm size 3 /14 x 4 1/4". Curtain aperture, speeds 1/16-1/800sec and time. Fitted with a Ross Xpres f/4.5 5.5" focal length. With reversing back. Teak with brass fittings with red leather bellows. c.1908 Ross tropical reflex single lens reflex camera Photographic Technology c.1908
Self pitching three bladed propeller, first successful development, designed and patented by John R. Coxon, Petworth, West Sussex, England, 1977 and made by Woodcoxon Engineering Limited, Petworth, West Sussex, England, 1978-1979, tested and certified by Admiralty Marine Technology Establishment, Haslar, Gosport, Hampshire, England, 1978-1979. On teak display stand by Science Museum Workshops, South Kensington, London, England, 2000-2001. Self-Pitching Three-Bladed Propeller, First Successful Development Marine Engines 1978-1979
Demonstration model for a self-pitching marine screw propeller with geared blades, designed and patented by John R. Coxon, Petworth, West Sussex, England and made by Woodcoxon Engineering Limited, Petworth, West Sussex, England, 1980. On teak display stand by Science Museum Workshops, South Kensington, London, England, 2002-2003. The propeller blade pitch was engineered so that if it would be impossible to replicate. This was in preparation for Woodcoxon to demonstrate to prospective national and international customers. Demonstration Model, for Self-Pitching Marine Screw Propeller Marine Engines 1980
Adam's Minex de Luxe tropical reflex camera for negatives 5 x 4". Polished teak with brass fittings. With triple extension, 14". rack and pinion focusing. With spring loaded plate. Fitted with a self capping focal plane shutter with speeds 1/8sec 1/1000 sec B. & T. Camera rising front and reversing back. Fitted with Taylor Taylor Hobson Cooke Aviar f.4.5 8.25" Series 11. With 2 double dark slides and case. c.1920 Adam's Minex de Luxe tropical reflex camera Photographic Technology 1920
Sectioned model, scale 1:4, of a 8.5 inch John Kingston valve, displayed on the plating of a vessel, on wood stand, by the Science Museum Workshops, South Kensington, London, England, from drawings supplied by the Board of Admiralty, London, England, 1902-1903 Model of a John Kingston valve, made from drawings supplied by the Board of Admiralty Marine Engines 1902-1903
Sectioned model, scale 1:4, of a 20 inch diameter screw-down type sea inlet valve, shown in vessel fittings on wood stand, from drawings supplied by H.M. Admiralty, by Science Museum Workshops, London, England, from drawings supplied by the Board of Admiralty, London, England, 1902-1903 Model of sea inlet-valve, from drawings supplied by the Board of Admiralty Marine Engines 1902-1903
The Sanderson folding bellows field or stand camera for plates 4 3/4 x 6 1/2. With double extension, tapered leather bellows, double swing and reversing back. Focusing by two rack and pinion mechanisms. Fitted with a Beck Steinheil 'Unofocal' patent Series 1 F.6.6 7.2" f.1 mounted in a Thornton Pickard roller-blind shutter. Polished teak with brass fittings. Houghton Ltd, c.1904. Sanderson folding bellows field or stand camera Photographic Technology 1899-1909
Mahogany wood transport box, for self-pitching three blade carbon fibre cyclic pitch propeller, prototype, designed and made by John Coxon, Pulborough, West Sussex, England, 2005-2006. The propeller was designed to be fitted to small motor vessel Volvo-Penta stern drive units. Originally, the propeller was designed for aircraft. Mahogany wood transport box, for Self-Pitching Carbon Fibre Cyclic Pitch Propeller, prototype Marine Engines 2005-2006
Teak wood case, with teak wood internal shelf and pipe mounting, for opium smoking set, unsigned, China, 1840-1920 Case for opium smoking set Asian Medicine 1840-1920
