Dowsing 4-bulb electric fire by The Dowsing Radiant Heat Co. Ltd.
1901-1911
Child's Ordinary bicycle (c. 1880)
circa 1880
One of Fleming's first thermionic diode valves, 1889
1889
Replica of a hobby-horse cycle
circa 1900
Model of the periodic system of de Chancourtois
1925; 1862
Openshaw-type artifcial hand, Birmingham, England, 1916-1918
1916-1918
Lithograph of Daniel Spills Ivorideworks by Daniel Greenaway, 1875
1875
horological gravers
1870-1900
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
SS Dewsbury worksplate
1910
Carriage key
1875-1890
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
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 No. 1, 1900-1911
1900-1911
Zither switch with open-wire multiple and two-motion ratchet drive, 1894
1894
Amplifying valve type V24, 1920-1922
1920-1922
Ora wireless receiving triode, 1921
1921
Strowger two-motion selector with vertical mount, 1903-1920
1903-1920
Edison carbon button transmitter No. 32, 1878
1878
Facsimile 1865 homemade telephone, 1888
1888
Bell Transmitter with Membrane Diaphragm, 1875-1877
1875-1877
Bas-relief head and shoulders of Guglielmo Marconi, 1903
1903
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
Embossing telegraph receiver 1878-1900
1878-1900
Copy of the Receiver and Alarm Call of Schilling's Electric Telegraph, 1870-1877
1870-1877
Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910
1900-1910
Portrait bust of Lord Kelvin, 1896
1896
Branly tripod coherer, 1900-1910
1900-1910
Watch by Waltham with a Dennison case
1904
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
Ear trumpet and walking stick combined
1875-1885
Model of human eye
1870
Wooden divination board
1880-1920
Wooden mask
1871-1900
Double duck-billed speculum
1871-1900
Glass feeding bottle, London, England, 1901-1918
1901-1920
Bottle of Hunyadi Janos mineral water, unopened
1900-1920
Galvanic brooch
1880-1920
Artificial arm, below-elbow prosthesis
1895-1904
Composition pestle and mortar
1870-1901
Alarm whistle for use by psychiatric warders
1890-1914