Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Model of Wright Flyer
1903
Chromolithograph: Amalgamated Society of Engineers Machinists ... by Blades
1904
Wagon owners plate, Shell-Mex & BP
1901
Poured wax doll
circa 1900
Model of fog signal machine and repeater
1900
Novelty model
1955; 1830
Walnut and brass model of the "Great Paris Telescope"
1898-1900
Mill Engine
1903
Anatomical model of the spine
1901
Wooden foreplane, 1900.
1900
Enamel notice, Dinorwic Quarries Railway
1895
London & South Western Railway pathway notice
1896
Vertical Compound Steam Engine with Hackworth's Valve Gear, 1898
1898
Thornton-Pickard Amber camera
circa 1897
BP tank wagon
1901
Bo-Third Rail No D75S
1898
South Eastern & Chatham Railway Class D 4-4-0 steam locomotive No 737
1901
Bo-Bo No 1
1902
Queen Alexandra's Saloon
1902
Cape Government locomotive and tender 4-8-0, 1896
1896
Electric Flat Iron, 1895-1905
1895-1905
X-ray tube
1895-1899
Selector switch, 1903
1903
A T & T national telephone directory, October 1896
1896
Table instrument with dial, 1903
1903
National Telephone Company directory, 1898-1899
1898-1899
Filings coherer, glass tube with side pocket mounted on cylindrical rod with brass screw terminals at ends, 1894-1904
1894-1904
Coherer with coarse brass turnings, 1894
1894
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Aerial inductances, 1901
1901
Filings coherer, glass tube containing powdered copper, bulb at one end, 1894-1904
1894-1904
Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904
1894-1904
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Filings coherer, Lodge pattern, 1895-1900
1895-1900
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904
1894-1904
Filings coherer, glass tube almost of taper shape, 1894-1904
1894-1904
Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, 1899
1899
Coherer, narrow-bore glass tube, 1894-1904
1894-1904
Filings coherer, small glass tube with bulb at one end, 1894-1904
1894-1904
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
'Italian Navy' detector, 1899-1901
1899-1901
Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904
1894-1904
Replica of the first Morse telegraph, 1835
1934
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Filings coherer, glass tube curved into near U-shape at one end with coil winding at other end, 1894-1904
1894-1904
Coherer, with several needles in contact with crystal, 1894-1904
1894-1904
Filing coherer, glass tube, fitted on to mounting bracket with terminals, 1894-1904
1894-1904