Brake composite/observation saloon
1897
Steam Locomotive, number 901
1919
East Coast Joint Stock passenger brake van
1908
London & North Western Railway 'Hardwicke'
1873
Model twin-screw steamship 'Engadine', South Eastern & Chatham Railway/Southern Railway
1916
Dining Car number 76, London & North Western Railway
1900
Tables of lifetimes, annuities, and premiums
1864
Geometrical Groin Vault, string surface model
1872
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
Dowsing 4-bulb electric fire by The Dowsing Radiant Heat Co. Ltd.
1901-1911
Child's Ordinary bicycle (c. 1880)
circa 1880
Replica of a hobby-horse cycle
circa 1900
Model of the periodic system of de Chancourtois
1925; 1862
horological gravers
1870-1900
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
Conversation tube hearing aid
1860-1900
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
Card of Authority to use portable receiver, 1922
1922
Wall telephone using a Blake transmitter, 1880-1890
1880-1890
Wall telephone No. 1, 1900-1911
1900-1911
Experimental Form 1 (Licence to use Wireless Telegraph), 1905
1905
Pair of Bell telephones, 1878
1878
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
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Popular Wireless no. 1 vol. 1, 1922
1922
Telephone receivers with wooden handles, 1877-1902
1877-1902
Facsimile 1865 homemade telephone, 1888
1888
Wall telephone with Blake transmitter, 1880-1900
1880-1900
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
Bas-relief head and shoulders of Guglielmo Marconi, 1903
1903
Filings coherer, glass tube, 1898
1898
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
Embossing telegraph receiver 1878-1900
1878-1900