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Watson varifocal zoom lens model 75/6.7, 1948

1948

Microsystem 70 compound binocular phase contrast microscope

1965-1970

Microscope by W. Watson & Sons Limited

1955-1959

Thermo Vane Dial Thermometer, 1915-1925

1915-1925

Monocular reading microscope

Stereoscopic research microscope

1965

Watson high power research microscope with binocular head

1930-1940

Watson Regulite microscope lamp, c.1957

1955-1960

Greenhough binocular stereo microscope

1925-1935

Stereoscopic research microscope

1957

"Bactil" binocular microscope

1955-1962

Periscope no.4

1917

Binocular microscope

1955-1970

Watson's "Greenough" stereoscopic microscope

1945-1947

Sphere-gap kilovoltmeter (incomplete)

1919-1940

Watson Zoom Lens

The 'Royal' research microscope with mahogany case

1925-1940

Cavalry sketching board

Kima model compound monocular microscope by W. Watson and Sons Ltd.

1930

Service microscope by W. Watson & Sons Limited

1955-1959

Watson Model 75 Television Zoom Lens

1949-52

'Royal' microscope No. 62547

1937

Compound monocular microscope by W. Watson and Son Ltd.

1952

Large gunsight telescope

Mechanical microscope stage, English, 1925-1945

1925-1945

Monocular microscope

1940-1945

‘Service’ Metallurgical microscope, used by Horace Dall

1935-1945

Microscope, model Bactil-60

1958-1962

Pocket brass spectroscope by W. Watson & Sons Ltd.

1908-1928

Watson 5:1 Zoom lens Model 75 series

4½-inch micrometer theodolite

1901-1950
Monocular microscope No. 3862, by W. Watson & Sons Ltd, 131 High Holborn, London, for meteorograph records. 1908-1920.

Monocular microscope No. 3862

1908-1920
Microprojector, with x4, x10 and x40 objectives, by W. Watson & Sons Limited, English, 1960-1975

Microprojector, with x4

1960-1975
Microscope lamp, by Wadden Instruments Ltd., supplied by W. Watson & Sons Limited, English, 1950-1965

Microscope lamp

1950-1965
Stereo-projector comparator in leather case and 12 slide rails by W. Watson & Sons Limited, 313 High Holborn, London, England, 1915.

Stereo-projector comparator, British, 1915

1915
15 x 12" plate camera made by W. Watson & Sons Ltd, 313 High Holborn, London. New Patent model, sold by W. Morley, 70 Upper Street, London. With TTH lens No. 16760, 12 x 10 RR Eq. focus. 16"; f8 - 64 iris diaphragm. Rising front (sliding) swing front. Dou

15 x 12" plate camera made by W. Watson & Sons Ltd

Ebonite shutter flap slides up and down actuated by linkage to brass slider, powered by rubber band. 21mm diameter aperture. NO. 1079. W. Watson and Sons.

Watson snap shutter

Watson 10 x 8 inch camera. Folding stand camera for 10 x 8 inch plates. Fitted with a Watson rapid rectilinear lens f/8-64, Serial No 2580 in aluminum mount. Sliding rising front, swing front and back. Reversible back with ground glass focusing screen. Built in tripod turntable. No.7907. Manufactured by W Watson & Sons, 313 High Holborn, London.

Watson 10 x 8 Plate Camera

Optical bench laboratory camera for photomicrography, by W. Watson & Sons Limited, English, 1908-1940

Optical bench laboratory camera for photomicrography

1900-1940
Stereoscopic microscope, with mahogany case, made by W. Watson and Sons Ltd., London, 1955-1962

Stereoscopic microscope

1955-1962
Two photomicrographic cameras with bench and accessories, by W. Watson & Sons Limited, English, 1908-1940

Two photomicrographic cameras with bench and accessories

1908-1940
Dental x-ray set, by W. Watson and Sons Limited, London, England, (power and control unit and tube stand), 1920-1929.

Dental x-ray set

1920-1929
Illuminator, condenser, vertical, on bayonet catch

Illuminator, condenser, vertical, on bayonet catch

Objective, holoscopic, 12mm. in cannister, W. Watson & Sons Limited, 313 High Holborn, London, England.

Objective, holoscopic, 12mm. in cannister

Condenser, substage, on dovetail

Condenser, substage

Condenser, substage, holoscopic oil immersion, on dovetail

Condenser, substage

Objective, immersion, holoscopic oil, in cannister

Objective, immersion

Photomicrographic equipment, comprising 2 optical benches and 1 plate camera, by W. Watson & Sons Limited, English, 1920-1940

Photomicrographic equipment

1920-1940
Objective, apochromatic, 16mm, in cannister

Objective, apochromatic

Watson stand plate camera, made by W. Watson and Sons. Bellows camera for 3 1/4 x 4 1/4" plates. No lens. Sliding rising and cross front. Swing back. Rack and pinion focussing, working back. In lined case by Dallmeyer, with three wooden bookform double darkslides. Tripod head.

Watson stand plate camera

1890