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Hammer break interrupter

Early x-ray tube by W. Watson & Sons

1896-1904

Fluorescent screen by W. Watson & Sons

1896-1904

Kima model microscope and accessories by W. Watson and Sons Ltd.

1937

Wenham binocular microscope with Crossley's illumination tailpiece

1875-1900

Stage micrometer by W. Watson and Sons Ltd.

1871-1900

Binocular microscope no.1925 (the 'Draper')

1875-1890

Simple dissecting microscope by Watson

1867-1882

Oil lamp for microscopy

1885-1900

Compound monocular microscope

1890-1908

Heliostat, contrived by the late G. Johnstone Stoney

1895

Drawing prism for use with microscope

1887

Spectrometer, fitted with replica of Rowlands grating

1905-1907

"Service" Model microscope no.27178 by W. Watson and Sons Ltd.

1920-1930

Polarizing microscope by W. Watson and Sons

1882-1908

Watson Holos paraboloid system, c. 1930

1921-1950

Stage, pillar and inclining prism

1871-1900

Linear brush electrode

Microscope, made by Watson

1850-1900

Hiloscope anamorphic lens with matching viewfinder and original instruction sheet manufactured by W Watson and Sons. Part of the Widescreen Association Collection.

Hiloscope anamorphic lens

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

Clear glass bottle with wooden stopper containing pale gold lisge. Printed paper label reads: "Watson & Sons' micro-chemical preparations. Pale Gold Lisge. W. Watson & Sons, Ltd. Opticians, 313 High Holborn, London."

Clear glass bottle with wooden stopper containing pale gold lisge

Electrode holder with glass handle, English, 1903

Electrode holder with glass handle, English, 1903

1903

Glass X-ray tube, supplied by W. Watson and Sons

Glass X-ray tube

Watson camera shutter, Type B, No.49 by W. Watson & Sons, 313 High Holborn, c. 1880.

Watson Camera Shutter, Type B

1880

Wimshurst machine, in cabinet, badly broken, by Watson and Sons, 313 High Holborn, London, England, 1901-1908.

Wimshurst machine

1901-1908

Four glass electrodes, supplied by W. Watson and Sons, English, 1903

Four glass electrodes

Watson Penetrator Tube

1906-1916

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

Watson and Sons, right angle prism.

Watson and Sons, Right Angle Prism

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

Stereo-binocular camera, c.1901, marked and marketed by W Watson & Sons, 313 High Holborn, London. To be held to the eye like binoculars which it resembles in appearance. With a negative changing box and carries 12 plates 4 3/4 x 2 "onwhich 24 pictures may be taken. Fitted with 2 Zeiss Tessar lenses f.6.3 62mm (signed E. Kraus Paris). With a shutter with speeds 1/25 1/80 sec and time. Finder fitted to the eye piece. Metal construction. Watson & son c.1900

The Watson Steroscopic Binocular Camera

1900

Stereo-plotter designed by F.V. Thompson, made by W.Watson and Sons, probably c. 1906

Stereo-plotter designed by F.V. Thompson

1906

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

'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

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

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

Disguised monocular camera by W Watson & Sons Ltd, 313 High Holborn, London, W.C., c. 1908. Fitted with Cooke lens F.4.5 and diaphragm. Shutter speeds 1/25 to 1/75. Optical viewfinder fitted to eyepiece. Clip on direct vision finder attached. .

Watson's Sportsman Detective Camera, Monocular Form

1908

"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

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

'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