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
Brass worksplate, Manning Wardle & Co
1920
Model of a North Eastern Railway coal wagon, c 1915
1910-1920
Wagon owners plate, Shell-Mex & BP
1901
National Cash Register co model 422X cash register
circa 1910
Creda No 762 electric toaster with open element. No. 4515A
1914-1920
'Detraining in England', print, England, 1914-1918
1914-1918
model double-sided discharge wagon
1910
Novelty model
1955; 1830
Lapel badges, France, 1915-1917
1915-1917
Mill Engine
1903
Glass necklace worn to prevent bronchitis, Greenwich, London, 1914
1914
Dental anaesthetic syringe
1907-1920
Amulet brooch in the shape of a black cat
1914-1918
Anatomical model of the spine
1901
Handcuffs, steel
1918
Gas mask, Germany, 1915-1918
1915-1918
Red Cross fund-raising brooch made from Zeppelin wire, 1917.
1916-1917
War memorial plaque, South Eastern & Chatham Railway
1914
X-ray plates
1914-1918
Stained glass window, Lancashire &Yorkshire Railway
1904-1914
BP tank wagon
1901
North Eastern Railway Dynamometer Car
1906
Battery locomotive, North Staffordshire Railway
1917
South Eastern & Chatham Railway Class D 4-4-0 steam locomotive No 737
1901
Bo-Bo No 1
1902
Queen Alexandra's Saloon
1902
London & North Western Railway 1st class corridor brake no. 5154
1906
"Ingersoll" wrist watch with leather strap
1915
Double surface of revolution of constant negative curvature
1910
Burroughs hand operated adding and listing machine
1917
Revolution of constant negative curvature
1910
Hobbs-type artificial left hand, Europe, 1918
1918
Model of LNWR Third Class railway carriage
1907-1917
Model LNWR luggage carriage, c 1912
1907-1917
Model London & North Western Railway carriage
1907-1917
Selector switch, 1903
1903
Impulse sender (dial), 1915
1915
Strowger automatic telephone, 1901-1910
1901-1910
Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916
1906-1916
Table instrument with dial, 1903
1903
Strowger calling dial, 1906
1906
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Aerial inductances, 1901
1901
'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
Murray multiplex tape transmitter, 1910-1920
1910-1920