Double duck-billed speculum
1871-1900
Therapeutic Exercise Chair, Wiesbaden, Germany, 1901-1905
1901-1905
'Openshaw' artificial wooden hand
circa 1919
Spencer Wells artery forceps
1890-1910
Trephine used in experiments on Neolithic trephination
1918-1920
Set of 8 brass handled
1890
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
Model of twin-screw steamship 'Dresden', c1897
1892-1902
Stained glass panel from Gorton Works
1897
Stained glass panel from Gorton Works
1897
Platt Brothers Notice
1899
Drawing frame
1901
Drawing frame
1901
Carding Engine
1896
British War medal - G.F.W. Keen
1920
Lancashire Loom
circa 1880
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Wrap reel/Hank winder
1877
Yarn Balance
circa 1900
Intermediate Frame
1907
Galvanic brooch
1880-1910
Galvanic brooch of black vulcanite
1890-1910
Powdered graphite microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Cell used in interruptor circuit, 1875-1890
1875-1890
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Craniometer, stainless steel
1874-1902
Iron borings coherer (Branly type), 1894
1894
Experimental microphone using steel needles and gas carbon, 1878-1890
1878-1890
Granular microphone in bamboo tube, 1878-1890
1878-1890
Radio tuning coil No. 400, 1922-1923
1922-1923
Radio tuning coil No. 75, 1922-1923
1922-1923
Radio tuning coil No. 500, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923
Radio tuning coil No. 750, 1922-1923
1922-1923
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Savoy Hill 'Meat Safe' microphone stand
1923
Marconi-Sykes magnetophone
1923
Artifcial left arm, United States, 1915
1915
Loaded submarine telegraph cable, 1926
1926
Set of wheels from Blenkinsop Railway locomotive
1880
Card of Authority to use portable receiver, 1922
1922
Wall telephone using a Blake transmitter, 1880-1890
1880-1890
Experimental Form 1 (Licence to use Wireless Telegraph), 1905
1905
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Pair of Bell telephones, 1878
1878
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Cauet artificial hand
1914-1918