One of Fleming's first thermionic diode valves, 1889
1889
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Underwood 1 Typewriter, 1897
1897
'Wagon' Boiler, 19th Century
1801-1840 (original); 1901 (model)
Drawings (9) of colonial cruisers "Tauranga" and "Ringarooma"
1890-1891
Scutcher, made by Platt Brothers & Co. Ltd
1889
Platt Brothers Notice
1898
Platt Brothers Notice
1899
Travelling tea case in leather case
1895
Model steam
1899
model steam locomotive
1890
Shoehorn made from Rescued Brass from Thirsk Disaster
1892
Hank Winding Machine
1897
Dye Sample
circa 1890
Dye Sample
circa 1890
Dye Sample
circa 1890
Sample of Acid Yellow Dye
circa 1890
The Demon Detective camera
1889
Model Draw Door Weir, 1872
1872 (original); 1909 (model)
East Coast Joint Stock, 3rd Class railway carriage, 1898
1898
Thornton-Pickard Amber camera
circa 1897
National Telephone Company directory, 1898-1899
1898-1899
Bo-Third Rail No D75S
1898
Model steam locomotive
1890
model crane - little elephant
1896
Cape Government locomotive and tender 4-8-0, 1896
1896
Light-bulb, filament, carbon
About 1890
Marine thermometer by Negretti and Zambra
1890
One of Fleming's first thermionic diode valves, 1889
1889
A T & T national telephone directory, October 1896
1896
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Replica of the first Morse telegraph, 1835
1934
Portrait of the Reverand Henry Nelthropp MA, FSA (1820 – 1901)
1896
Ring transformer, 1892
1892
English lever escapement watch with Karrusel by S Smith and Son
1897
Enamel notice, Dinorwic Quarries Railway
1895
London & South Western Railway pathway notice
1896
Novelty model
1955; 1830
Vertical Compound Steam Engine with Hackworth's Valve Gear, 1898
1898
Copper ore from the Bell Mine
before 1889
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
X-ray tube
1895-1899
Coherer with coarse brass turnings, 1894
1894
Letter opener with calendar and map, 1893-1894
1893-4
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, ebonite, with adjustable contacts, 1890-1896
1890-1896
Spiral spring coherer, 1890-1894
1890-1894
Hertzian receiving resonator, 1890-1894
1890-1894