Cotton Bale Breaker
1911
Dye Sample
1916
Wrapping block
circa 1920
Ribbon loom with jacquard head
circa 1900
Platt Brothers Notice
1898
Platt Brothers Notice
1899
Replica of 1903 Wright Brothers' aero engine
after 1903
Reason slot meter, c.1920.
1918-1922
GNR Railway Poster, The Skegness Cure
1911
Ring spinning frame
1901
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Gold amulet in the form of a cobra
2000-100 BCE
De Forest audion 1906-1915
1906-1915
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
De Forest syntoniser, 1902-1907
1902-1907
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Radio tuning coil No. 100, 1922-1923
1922-1923
Morse key with send-receive switch, 1900-1920
1900-1920
Protective leather and chain mail mask
1917-1918
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Specimens of Pacific cable in glazed presentation case, 1902-1923
1902-1923
Five-line single cord switchboard, 1900-1909
1900-1909
Radio tuning coil No. 150, 1922-1923
1922-1923
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Selector switch, 1903
1903
Chromolithograph: Amalgamated Society of Engineers Machinists ... by Blades
1904
Framed poster advocating vaccination against smallpox
1923
Replica of the first Morse telegraph, 1835
1934
Strowger automatic telephone, 1901-1910
1901-1910
Impulse sender (dial), 1915
1915
Murray multiplex tape transmitter, 1910-1920
1910-1920
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
Strowger calling dial, 1906
1906
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Radio tuning coil No. 200, 1922-1923
1922-1923
Loud speaker valve type L.S.5. W/T, 1923
1923
'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
Radio tuning coil No. 300, 1922-1923
1922-1923
Brooch in the shape of a horseshoe with a riding crop
1914-1918
Experimental form of Marconi Company magnetic detector, 1900-1910
1900-1910
Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916
1906-1916
Glassware from Carrel's apparatus for sterilizing wounds
1914-1918
Experimental model of Marconi's magnetic detector, 1900-1910
1900-1910
model ship - dewsbury
1910