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Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904

Radio Communication

1894-1904

Telephone transmitter

Telecommunications

c.1885

Bronchitis amulet

Ethnography and Folk Medicine

1914

Heart-shaped amulet

Ethnography and Folk Medicine

1914-1918

Telegraph morse key

Telecommunications

c.1915

CB 10 switchboard

Telecommunications

1912

telephone switch room chair

Telecommunications

c.1920

Magneto HMT wall telephone

Telecommunications

c.1890

loud speaker valve type L.S.5. W/T, 1923

Electronic Components

1923

Steiff donkey on wheels

Materials Science Gallery

c. 1913

Telegraph block instrument, South Eastern Railway

Signalling & Telecommunications

c. 1905

Wooden foreplane, 1900.

Hand and Machine Tools

1900

Spagnoletti intermediate signalling instrument

Signalling & Telecommunications

1885

dye sample

Industrial Chemistry

c.1890

Sample of Acid Yellow Dye

Industrial Chemistry

c.1890

Single surface of revolution of constant negative

Mathematics

1910

Burroughs hand operated adding and listing machine

Mathematics

1913

Radio tuning coil No. 400, 1922-1923

Radio Communication

1922-1923

Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904

Radio Communication

1894-1904

Trephine used in experiments on Neolithic trephination

Surgery

1918-1920

Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899

Radio Communication

1899

Coherer, coarse iron turnings, 1894-1904

Radio Communication

1894-1904

Filing coherer, glass tube, fitted on to mounting bracket with terminals, 1894-1904

Radio Communication

1894-1904

Two-pin electrical mains plug

Therapeutics

1900-1910

Filings coherer, glass tube capped at ends, 1894-1904

Radio Communication

1894-1904

22 volt ringing generator

Telecommunications

1896

Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, 1898

Radio Communication

1898

Carved wooden fetish doll or "Akua Mma"

Ethnography and Folk Medicine

1890-1910

Carved wooden ancestral figure of female

Ethnography and Folk Medicine

1890-1925

'Sociable' horse drawn carriage

Road Transport

1895

Metal case containing glass tubes from 'Tabloid' first aid kit

Materia Medica & Pharmacology

1919

London bronchitis necklet

Ethnography and Folk Medicine

1914

Necklet to cure sore throats

Ethnography and Folk Medicine

1914

Bronchitis amulet

Ethnography and Folk Medicine

1914

Amuletic pendant in form of moulded metal slipper

Ethnography and Folk Medicine

1900-1913

Sample of four-core telegraph cable connecting Vancouver Island with the mainland

Telecommunications

1904

telegraph cable

Telecommunications

1891

Air pump

Telecommunications

c.1920

dye sample

Industrial Chemistry

c.1890

Enamel notice, Dinorwic Quarries Railway

Railway Infrastructure

1895

dye sample

Industrial Chemistry

c.1890

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

Electronic Components

1923

Radio tuning coil No. 75, 1922-1923

Radio Communication

1922-1923

De Forest syntoniser, 1902-1907

Radio Communication

1902-1907

Radio tuning coil No. 150, 1922-1923

Radio Communication

1922-1923

Early model wooden-case comptometer by Felt and Ta

Mathematics

1887-1903

Burndept mark IV tuner with glass back, 1922-1923

Radio Communication

1922-1923

Filings coherer, glass tube, 1898

Radio Communication

1898

Filings coherer, Lodge-Muirhead system, 1900-1910

Radio Communication

1900-1910

Filings coherer, Lodge-Muirhead system, 1900-1910

Radio Communication

1900-1910