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Replica of Soemmerring's telegraph of 1809-12, 1964

Telecommunications

1964

replica of Bell's 1876 centennial telephone transmitter, 1959

Telecommunications

1959

Specimen of the first transatlantic telephone cable, deep sea type, 1956

Telecommunications

1956

Mirror galvanometer for the transatlantic telegraph, 1858

Electricity and Magnetism

1858

three-nail microphone, 1875-1880

Telecommunications

1875-1880

Experimental microphone, 1878-1890

Telecommunications

1878-1890

Clockwork interruptor, once owned by David Hughes, 1875-1880

Radio Communication

1875-1880

Powdered graphite microphone, 1878-1890

Telecommunications

1878-1890

Galvanometer from prototype Cox selenium-cell magnifier equipment, 1910-1920

Telecommunications

1910-1920

Receiving ‘jigger’ used by the Marconi Company, 1898

Radio Communication

1898

Sinclair line selector automatic switch board, 1880-1890

Telecommunications

1880-1890

Experimental carbon pencil microphone, 1878-1890

Telecommunications

1878-1890

powdered graphite microphone, 1878-1890

Telecommunications

1878-1890

aerial inductances, 1901

Radio Communication

1901

Powdered graphite microphone, 1878-1890

Telecommunications

1878-1890

Experimental carbon block microphone, 1878-1890

Telecommunications

1878-1890

Granular microphone in bamboo tube, 1878-1890

Telecommunications

1878-1890

Cell used in interruptor circuit, 1875-1890

Telecommunications

1875-1890

Granular microphone in glass tube, 1878-1890

Telecommunications

1878-1890

Hertzian receiving resonator, 1890-1894

Radio Communication

1890-1894

Experimental microphone using steel needles and gas carbon, 1878-1890

Telecommunications

1878-1890

Experimental microphones with carbon pencils and cups, 1878-1890

Telecommunications

1878-1890

Poured wax doll,with head turned to one side; inse

Materials Science Gallery

c. 1900

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

Radio Communication

1894-1904

filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898

Radio Communication

1898

Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904

Radio Communication

1894-1904

De Forest syntoniser, 1902-1907

Radio Communication

1902-1907

Diorama showing the anatomy theatre at Padua in 1594, England, 1901-1950

Therapeutics

1901-1950

Model of hut and garden made of extruded modelling clay

Materials Science Gallery

1996

Edison 'Concert' phonograph

Sound Reproduction

1913

stock exchange printing telegraph, 1907

Telecommunications

1907

Graphophone record cylinder

Sound Reproduction

1887

Model of Chadwick's apparatus used to discover the neutron

Nuclear Physics

1960-1970

Slide rule for interest calculations

Mathematics

1824

African American soldiers court martialled at Paignton

Photographs

15 october 1943

Wax model of a female human head, Germany, 1801-1900

Anatomy & Pathology

1801-1900
One of a pair of home made Bell telephone receivers, probably made by David Edward Hughes, England, 1875-1890.

one of a pair of home made Bell telephone receivers, 1875-1890

Telecommunications

1875-1890

Wax model of a plague scene, Europe, 1657

Classical & Medieval Medicine

1657

Experimental coherers designed or used by Sir Oliver Lodge, 1894-1904

Radio Communication

1894-1904

Wax vanitas, Europe, 1701-1800

Anatomy & Pathology

1701-1800

Waxed post-mortem thread

Surgery

c.2016

Coloured wax model of a female, half skeletal, half living and dressed in regency clothing, England, 1810-1850

Anatomy & Pathology

1810-1850

'Frog-pistol', 1904-1910.

Laboratory Medicine

1899-1909

Half-penny surgically removed from child

Surgery

1914-1930

Wax model showing female genital organs after surgical sterilisation

Anatomy & Pathology

1801-1900

Half-penny surgically removed from child

Surgery

1914-1930
One of a pair of home made Bell telephone receivers, probably made by David Edward Hughes, England, 1875-1890.

one of a pair of home made Bell telephone receivers, 1875-1890

Telecommunications

1875-1890

Experimental microphones using steel needles and gas carbon, 1878-1890

Telecommunications

1878-1890

Cinchonine sulphate crystals, England, 1860-1910

Materia Medica & Pharmacology

1860-1910

Wax death mask of Benjamin Disraeli, England, 1881

Psychology, Psychiatry & Anthropometry

1881