Edison telephone peg switchboard and pegs, 1879
1879
C.W. transmitter/receiver, Mk.1, 1917
1917
Thomson's mirror galvanometer, 1858
1858
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Cooke and Wheatstone 5-needle telegraph, 1837
1837
'Thunder pump' magneto-electric device, 1856
1856
Letter to The Atlantic Telegraph Company, 1859
1859
Coherer, coarse iron turnings, 1894-1904
1894-1904
Filings coherer, glass tube formed into bulbs at each end at right angles, 1899
1899
Cooke and Wheatstone's A.B.C. telegraph receiver, 1839-1840
1839-1840
Filings coherer, glass tube, 1898
1898
Dog ornament moulded from gutta percha, 1850-1900
1850-1900
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
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
Chart of the Atlantic showing proposed course of the Atlantic Cable, 1856-1857
1856-1857
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
1850
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
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Iron borings coherer (Branly type), 1894
1894
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
Coherer, with several needles, 1894-1904
1894-1904
Original wheel or steel-disc coherer, 1902
1902
Transmitting keys for Five-needle telegraph, 1837-1846
1837-1846
Section of first telegraph cable, 1837
1837
Marine chronometer by Charles Shepherd
1840-1850
Watch by Sir John Bennett
1884
Chronometer escapement in domed glazed case by William T. Heyes
1903
Watch made for the 1851 Great Exhibition by Alexander Watkins
1851
Watch with complications and minute repeating by Samuel Smith & Son
1899
Signal Lamp, Stockton & Darlington Railway
1840
Model of Woods' Vane Signal
c.1912
Model of Gregory's semaphore signal
c.1912
Ottawa & Gatineau Valley Railway commemorative salver
1893
Model of Behr high speed monorail
1904
model twin-screw steamship rhyl
1911
Telegraph block instrument; Walker's
1865
Spagnoletti intermediate signalling instrument
1885
Block instrument (lock and block)
1897
Telegraph block instrument; South Eastern Railway; Walker's patent No. 245
1855
Cammann type binaural stethoscope
1845-1855
Braiding Machine
circa 1900
Oil painting depicting Robert Stephenson
circa 1850s
Caledonian express no 938
1915
model ger t19 locomotive
1905
model London & South Western Railway steam locomotive
1903
model ner tennant locomotive
1890