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
Self-winding wristwatch by John Harwood
1928
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
Hollerith 45 column horizontal electrical sorting machine, 1920-1930
1920-1930
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
Cut-throat razor made by Prior
1915-1925
model twin-screw steamship rhyl
1911
Spagnoletti intermediate signalling instrument
1885
Block instrument (lock and block)
1897
Lap Scales
circa 1920
Braiding Machine
circa 1900
Caledonian express no 938
1915
Model steam locomotive, "Lonpower"
1933
model ger t19 locomotive
1905
model London & South Western Railway steam locomotive
1903
model ner tennant locomotive
1890
model locomotive, London & North Western Railway
1925
model locomotive, London & North Western Railway Claughton class
1913
Model railway carriage, 3rd class smoking compartment
1901
model steam locomotive - western railway of france
1901
model stockton & darlington railway coach "experiment"
1895
Edison carbon button transmitter No. 32, 1878
1878
Richardson's galvanic amulet against diseases
1881-1900
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Zinc sand tray for Lowenfield's 'World Technique' therapy
1926-1934
Dining Car number 76, London & North Western Railway
1900
Burroughs Class 4 1000 hand operated adding and listing machine with keyboard for Sterling currency
1925-1935
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
Infant death rate and income
1926-1928
Child's Ordinary bicycle (c. 1880)
circa 1880
Replica of a hobby-horse cycle
circa 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
Wall telephone No. 1, 1900-1911
1900-1911
Zither switch with open-wire multiple and two-motion ratchet drive, 1894
1894
Bas-relief head and shoulders of Guglielmo Marconi, 1903
1903
Embossing telegraph receiver 1878-1900
1878-1900