De Forest audion 1906-1915
1906-1915
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Model of Wright Flyer
1903
Brennan's Gyroscopic Mono-rail Car
1907
Chromolithograph: Amalgamated Society of Engineers Machinists ... by Blades
1904
Wagon owners plate, Shell-Mex & BP
1901
model double-sided discharge wagon
1910
Mill Engine
1903
"Ingersoll" wrist watch with leather strap
1915
model tank locomotive
1912
North Eastern Railway Dynamometer Car
1906
Bo-Bo No 1
1902
Double surface of revolution of constant negative curvature
1910
Revolution of constant negative curvature
1910
War memorial plaque, South Eastern & Chatham Railway
1914
Replica of 1903 Wright Brothers' aero engine
after 1903
model ship - dewsbury
1910
Pocket watch
1904
model triple-screw steamship st. denis
1908
Model steam locomotive and model railway carriage
1909
Telegraph block instrument, South Eastern Railway
circa 1905
Helmet, Great Western Railway, Fireman
1912
1914-1915 star medal - G F W Keen
1915
Model Great Western Railway locomotive, "Gooch"
1905
Stained glass window, Lancashire &Yorkshire Railway
1904-1914
BP tank wagon
1901
South Eastern & Chatham Railway Class D 4-4-0 steam locomotive No 737
1901
Queen Alexandra's Saloon
1902
London & North Western Railway 1st class corridor brake no. 5154
1906
Tourbillon watch manufactured by Nicole Nielsen and retailed by S Smith & Son
1907
Papier mache model of human eye
1913
Zenith X-ray tube and shield
1901-1913
Model Draw Door Weir, 1872
1872 (original); 1909 (model)
London & North Western Railway motor coach
1915
Carriage Ashtray from Quintinshill Disaster
1915
Ring spinning frame
1901
Cotton Bale Breaker
1911
Model of Chambers' Signal Interlocking Frame
c.1912
Track recorder
1910
Anatomical model of the spine
1901
Aerial inductances, 1901
1901
Replica of the first Morse telegraph, 1835
1934
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Novelty model
1955; 1830
Selector switch, 1903
1903
Impulse sender (dial), 1915
1915
Strowger automatic telephone, 1901-1910
1901-1910
Table instrument with dial, 1903
1903
Strowger calling dial, 1906
1906
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904