Crank axle with pedals and chain wheel from Rudge-Whitworth bicycle
1913
'Torpedo' bicycle coaster hub
1913
Cycle chain
1911
Sample of inverted tooth block chain 0.5" pitch
1910
Chromolithograph. "All British" [S.F. Cody] Vanity Fair Supplement. Men of the Day no 1303. Vincent Brooks
1911
Lithograph of PS 'John Penn'
before 1912
Poster. The Aerial Derby (95 Mile circuit of London-open to the world)
1914
Leaflet. T.B. Lawrence Ltd.
1910
Original Bomb-Sight "D" compass, c.1915
1915
Ink and watercolour
1920
Portrait, photogravure: A Deputation to Faraday
1910
Etching, Surrey Docks, by Claude Muncaster, [191-]
1911-1919
Iron(?) medal to commemorate Navratil, artist Fial
1918
Medal, Leon Stienon, 1920
1920
Nickel plated vacuum flask
1912-1917
Medal. Ewart Stanley Taylerson : 1912. / J.E.T. Sc. Copper
1912
Rutherford
1910-1920
Aerial battle over Ypres
1914-1918
Morane-Saulnier Monoplane
circa 1910
Lithograph of airman
1910
Portrait photograph of William Henry Perkin Jr, 1914
1914
M Q Forster
1914
Portrait photograph of Sir William Crookes, 1914
1914
Portrait photograph of Herbert Brereton Baker, 1914
1914
Portrait photograph of Sir Henry Enfield Roscoe, 1914
1914
Portrait photograph of Sir William Ramsay, 1914
1914
Gauge for determining top dead centre on engine
1920
Medal, cross in red enamel depicting Queen's head over sunburst
1913
Magneto for Douglas motorcycle
1919-1920
Photograph, monochrome. 'Canal Channel…'
1912
Photograph, monochrome. 'Pedro Miguel Locks'
1912
Standard compass for Airships
1916
Photograph, monochrome. 'Culebra Cut, Culebra…'
1913
Portrait photograph of William Henry Perkin Jr, 1914
1914
photograph of "Culebra Cut, Culebra"
1913
Brussels International Exposition medal
1910
Photoectric cell c. 1915 (probably by GEC)
1910-1920
Nobili's metallic tints (metallochrome)
pre-1919
Pocket voltmeter, moving iron repulsion type
1910
Ivory paper knife
1920
Twin element permanent magnet oscillograph in box
1910
Dummy 100 volt dry battery, 1917
1917
Dummy 60-volt dry battery
1917
Drysdale-Tinsley universal potentiometer
1910
Dummy 45-volt dry battery, 1917
1917
Potentiometer, serial no.4696
1911
Lenard tube unexhausted
1914
Test set
1919-1920
120 volt multiplier for use with millivoltmeter
1912
Pattern I unipivot galvanometer
1912