Replica of 1903 Wright Brothers' aero engine
after 1903
Double surface of revolution of constant negative curvature
1910
Revolution of constant negative curvature
1910
Hank Winding Machine
1897
Mill Engine
1903
National Cash Register co model 422X cash register
circa 1910
Poured wax doll
circa 1900
Poster for Magni & C. Vicenza, printed by G Ricordi & C Milano c1900
circa 1900
De Forest syntoniser, 1902-1907
1902-1907
Replica of the first Morse telegraph, 1835
1934
Strowger automatic telephone, 1901-1910
1901-1910
Strowger calling dial, 1906
1906
South Eastern & Chatham Railway Class D 4-4-0 steam locomotive No 737
1901
Telegraph block instrument, South Eastern Railway
circa 1905
model triple-screw steamship st. denis
1908
Pocket watch
1904
Model steam locomotive and model railway carriage
1909
Model of fog signal machine and repeater
1900
Model Great Western Railway locomotive, "Gooch"
1905
Anatomical model of the spine
1901
Wooden foreplane, 1900.
1900
Model steam
1899
'Italian Navy' detector, 1899-1901
1899-1901
BP tank wagon
1901
Ribbon loom with jacquard head
circa 1900
Ring spinning frame
1901
Platt Brothers Notice
1898
Platt Brothers Notice
1899
North Eastern Railway Dynamometer Car
1906
Chromolithograph: Amalgamated Society of Engineers Machinists ... by Blades
1904
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
East Coast Joint Stock, 3rd Class railway carriage, 1898
1898
Bo-Third Rail No D75S
1898
model double-sided discharge wagon
1910
Walnut and brass model of the "Great Paris Telescope"
1898-1900
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Gold amulet in the form of a cobra
2000-100 BCE
National Telephone Company directory, 1898-1899
1898-1899
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Copper plaque stamped with a Latin cross for protection against cholera
1900-1909
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Five-line single cord switchboard, 1900-1909
1900-1909
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Selector switch, 1903
1903
Aerial inductances, 1901
1901
Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899
1899
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Experimental form of Marconi Company magnetic detector, 1900-1910
1900-1910