image pp_52_16_25
Image number: RS.11616
Credit: ©The Royal Society

Electrical apparatus



Object type



height (drawing): 125mm
width (drawing): 105mm


Content object


View of the electrical machine designed by Lord Armstrong for producing high tension electricity. The apparatus incorporated six induction coils made by the company of Alfred Apps (1839-1913) with six independent batteries, one for each coil (seen below bench level).

Illustration from the manuscript version of the paper ‘On a multiple induction machine for producing high tension electricity, and on some remarkable results obtained with it’, by Lord Armstrong, Proceedings of the Royal Society, vol.52 (1892), pp.176-191. Printed on plate 2 in the published paper. Imprint details verso.

William George Armstrong, Baron Armstrong (1810-1900) armaments manufacturer and industrialist was elected a Fellow of the Royal Society in 1846.

Associated place

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