Watson camera shutter, Type B, No.49 by W. Watson & Sons, 313 High Holborn, c. 1880. Watson Camera Shutter, Type B 1880
Watson cabinet stereoscope viewer for 107x44mm stereographs. Manufactured by Watson Cabinet Stereoscope Viewer
Spinthariscope, in cardboard fitted case, marked "Spinthariscope, W. Crookes 1903. W. Watson & Sons, 313 High Holborn, W.C.". Spinthariscope, in cardboard fitted case 1903
W. Watson & Sons advert for Russell-Reynolds Adjustable Electrode X-ray Tube, signed by Russell J Reynolds, 1900 W. Watson & Sons advert for Russell-Reynolds Adjustable Electrode X-ray Tube 1900
Electrode holder with glass handle, English, 1903 Electrode holder with glass handle, English, 1903 1903
Wimshurst machine, in cabinet, badly broken, by Watson and Sons, 313 High Holborn, London, England, 1901-1908. Wimshurst machine 1901-1908
Micro-photographic camera accessories:- 2 aplanatic bull's eye condensers, each on stand with centring screws, 2 dark slides, oil lamp Micro-photographic camera accessories
Stereo-plotter designed by F.V. Thompson, made by W. Watson and Sons, 1908 Stereo-plotter designed by F.V. Thompson, with box 1908
Folding bellows tailboard field and stand camera for negatives 4 3/4 x 6 1/2. With square leather bellows, rising front and cross movement. Rack and pinion focusing. Fitted with a Rapid Rectilinear f/8 9.5" f.1 lens fitted to a Thornton Pickard roller blind shutter. Made of mahogany with brass fittings. Watson & Sons. c 1890. Watson & Sons Folding Bellows Tailboard Field and Stand Camera, c 1890 1885-1895
"Van Heurck Grand Model" microscope by W. Watson and Sons (No.8063) in mahogany case with accessories in oak cabinet "Van Heurck Grand Model" microscope 1895-1905
'Watson Tourist' folding bellows tailboard field or stand camera for megatives 4 3/4 x 6 1/2. Front standard is permanently attached. Rack and pinion focusing with square leather bellows, rising front and cross movement, double swing back, reversing back and folding tailboard. Fitted with a Dallmeyer Aplanat lens F.16 with waterhouse stops. c. 1885. Watson Tourist' folding bellows tailboard field or stand camera for megatives 4 3/4 x 6 1/2 1885
Stereo-plotter designed by F.V. Thompson, made by W.Watson and Sons, probably c. 1906 Stereo-plotter designed by F.V. Thompson 1906
Binocular microscope serial no. 1764 by Watson and Sons, 313 High Holborn, London, in wooden case, 1882-1900. Supposedly owned by William Quekett (1802-1888). Binocular microscope serial no. 1764 by Watson and Sons 1882-1900
'Bactil' research microscope, steel and brass, with some accessories, in mahogany case, by W. Watson and Sons Ltd., 313 High Holborn, London, England, 1948. 'Bactil' research microscope 1948
Stereoscopic microscope serial no 115397 by W. Watson and Sons Ltd of London, in case, 1951 to 1960 Stereoscopic microscope serial no 115397 by W. Watson and Sons Ltd of London 1951-1960
X-ray tube, used by Sir Arthur Hurst, by W. Watson and Sons, 313 High Holborn, London, England, 1918-1920. X-ray tube 1918-1920