Rudge 'ordinary' or 'penny farthing' bicycle
1884
Replica of a hobby-horse cycle
circa 1900
Openshaw-type artifcial hand, Birmingham, England, 1916-1918
1916-1918
Lithograph of Daniel Spills Ivorideworks by Daniel Greenaway, 1875
1875
Pair-cased pocket watch in pinchbeck and leather outer casing with verge escapement
1705-1737
Model of LNWR Third Class railway carriage
1907-1917
Model of LNWR Third Class railway carriage
1907-1917
Carriage key
1875-1890
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Granular microphone in bamboo tube, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Experimental microphone using steel needles and gas carbon, 1878-1890
1878-1890
Cell used in interruptor circuit, 1875-1890
1875-1890
Bas-relief head and shoulders of Guglielmo Marconi, 1903
1903
Hughes microphone detector, 1865-1875
1865-1875
Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910
1900-1910
Portrait bust of Lord Kelvin, 1896
1896
Watch and wrist strap
1908
Watch by Waltham with a Dennison case
1904
Gold lever watch by George Blackie
1873
Watch by Sir John Bennett
1884
Chronometer escapement in domed glazed case by William T. Heyes
1903
Watch with complications and minute repeating by Samuel Smith & Son
1899
One of Fleming's first thermionic diode valves, 1889
1889
General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918
1918
Jones 50-line switchboard, 1879.
1879
Edison telephone peg switchboard and pegs, 1879
1879
Automatic telephone wall, 1900-1910
1900-1910
Wall telephone using a Blake transmitter, 1880-1890
1880-1890
Wall telephone No. 1, 1900-1911
1900-1911
One of Fleming's first thermionic diode valves, 1889
1889
Pair of Bell telephones, 1878
1878
Zither switch with open-wire multiple and two-motion ratchet drive, 1894
1894
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Edison carbon button transmitter No. 32, 1878
1878
Hull Corporation telephone, 1900-1910
1900-1910
Telephone receivers with wooden handles, 1877-1902
1877-1902
Facsimile 1865 homemade telephone, 1888
1888
Wall telephone with Blake transmitter, 1880-1900
1880-1900
Bell Transmitter with Membrane Diaphragm, 1875-1877
1875-1877
C.W. transmitter/receiver, Mk.1, 1917
1917
Crossley telephone receiver, 1880
1880
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Coherer, coarse iron turnings, 1894-1904
1894-1904
Filings coherer, glass tube formed into bulbs at each end at right angles, 1899
1899
Double coherer (experimental), 1895-1906
1895-1906
Clockwork interruptor, once owned by David Hughes, 1875-1880
1875-1880
Filings coherer, glass tube, 1898
1898
Replica of Morse's second model of telegraphy apparatus, 1934
1934