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Radio tuning coil No. 150, 1922-1923

Radio Communication

1922-1923

Radio tuning coil No. 75, 1922-1923

Radio Communication

1922-1923

Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923

Electronic Components

1923

Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935

Electronic Components

1935

Radio valve, 1936-1939

Electronic Components

1936-1939

Osram A.T.40 triode valve, 1921-1934

Electronic Components

1921-1934

Lower dental impression tray, with long handles, n

Dentistry

1920-1940

Bottle containing water from the Dead Sea

Ethnography and Folk Medicine

1920-1930

Collection of early valves, 1915-1945

Electronic Components

1915-1945

Bottle for medicinal water from Jacob's Well

Medical Glass-ware

1932

Tube of bismuth salicylate tablets

Materia Medica & Pharmacology

1919

Bottle containing sodium bicarbonate tablets

Materia Medica & Pharmacology

1937-1937

Document carrier

Telecommunications

c.1946

Document carrier

Telecommunications

c.1946

Thorpe 4-electrode valve (McVitie Weston valve collection) 1924

Electronic Components

1924

W2/700 Gas Aircraft Engine

Aircraft Propulsion

1941

Lipson-Beevers Strips

Scientific Instruments & Research

1934; 1934

Section of Distribution Frame

Telecommunications

1922

Overhead line wire-tensioning clamp

Telecommunications

1939

radio

Radio Communication

c. 1935

Hopper, lady's bicycle, 21 1/2" frame, 1948.

Road Transport

1948

instruction booklet for Cosmos crystal receiver, 1920-1930

Radio Communication

1920-1930

Absorbant cotton in cardboard box

Materia Medica & Pharmacology

1928-1930

Paper packet

Materia Medica & Pharmacology

1928-1930

Cylindrical container

Materia Medica & Pharmacology

1928-1930

Paper package possibly containing tongue depressors

Materia Medica & Pharmacology

1928-1930

Tube of 'menthofax'

Materia Medica & Pharmacology

1928-1930

Radio tuning coil No. 100, 1922-1923

Radio Communication

1922-1923

Radio tuning coil No. 500, 1922-1923

Radio Communication

1922-1923

Hivac XL HF triode valve (McVitie Weston valve collection), 1935

Electronic Components

1935

Tube of 'Borafax'

Materia Medica & Pharmacology

1928-1930

Radio tuning coil No. 200, 1922-1923

Radio Communication

1922-1923

Safety pins displayed on cardboard strip

Materia Medica & Pharmacology

1928-1930

Pottery drug jar with parchment cover

Classical & Medieval Medicine

Before 1932

Demonstration radio receiver

Radio Communication

1926

Local anaesthetic mixing thimble stand

Dentistry

1925-1940

'Radio at a glance' chart, 1925-1935

Radio Communication

1925-1935

Rexophone crystal set with two pairs of Telefunken headphones (out of three), 1923-1930

Radio Communication

1923-1930

Box for transfusion needles

Therapeutics

1917-1918

Empire Melody Maker Radio

Radio Communication

c.1930

Wooden case for blood transfusion apparatus

Public Health & Hygiene

1917-1918

"Racial" brand cervical cap

Obstetrics, Gynaecology & Contraception

1921-1931

Card of authority to use portable receiver, 1922

Radio Communication

1922

BBC ribbon microphone

Radio Communication

c.1945

Model dumping wagon

Railway Models

1920-1928

Sectioned model steam locomotive boiler

Railway Models

c. 1920

Portable electrocardiograph machine, Cambridge, England, 1928

Clinical Diagnosis

1928

Rubber vault cap, London, England, 1915-1925

Obstetrics, Gynaecology & Contraception

1915-1925

'Vaporole' smelling salts, London, England, 1924-1940

Therapeutics

1924-1940

Kodatoy Universal Model 16mm Projector

Cinematography

1932