Brake van, London & South Western Railway
1894
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Wall telephone No. 1, 1900-1911
1900-1911
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
Hull Corporation telephone, 1900-1910
1900-1910
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Branly tripod coherer, 1900-1910
1900-1910
Set of 8 brass handled
1890
Iron borings coherer (Branly type), 1894
1894
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
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
'Wagon' Boiler, 19th Century
1801-1840 (original); 1901 (model)
Cupriferous sandstone from Schweinkopf
before 1889
Burroughs hand operated adding and listing machine
1913
Felt and Tarrant Comptometer, 1887.
circa 1900
Comptometer by Felt and Tarrant Mfg. Co. Chicago
1915-1920
Child's china tea plate, 1922-1923
1922-1923
General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918
1918
Card of Authority to use portable receiver, 1922
1922
Automatic telephone wall, 1900-1910
1900-1910
Wall telephone using a Blake transmitter, 1880-1890
1880-1890
Experimental Form 1 (Licence to use Wireless Telegraph), 1905
1905
Zither switch with open-wire multiple and two-motion ratchet drive, 1894
1894
Section of cross-Channel telephone cable, 1897
1897
Popular Wireless no. 1 vol. 1, 1922
1922
Facsimile 1865 homemade telephone, 1888
1888
Wall telephone with Blake transmitter, 1880-1900
1880-1900
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
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
Filings coherer, glass tube, 1898
1898
Copper earthing tube believed to have been used by Marconi, 1890-1897
1890-1897
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
Flat steel-spring (or watch-spring) coherer, 1894
1894
Filings coherer, small glass tube with bulb at one end, 1894-1904
1894-1904
Filings coherer, glass tube capped at ends, 1894-1904
1894-1904
Thirty-inch terrestial globe showing cable routes, 1900-1920
1900-1920
Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, 1898
1898
Coherer, with steel needle inside part-wound with copper wire, 1894-1904
1894-1904