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W E Ayrton Collection

Proceedings of meeting of the Physical Society of London

On Certain Modifications that must be introduced .... by W E Ayrton and John Perry

Experiments on the Heat Conduction in Stone ... by W E Ayrton and John Perry

A Test for determining the position of a partial discontinuity without earth fault by W E Ayrton and John Perry

Folder 7

Printed ms copy of paper 'Age of the Earth' by John Perry with note 'not for publication' in Heaviside's writing, perhaps sent to Heaviside to abstract for the Journal of the Society of Telegraph Engineers 5 pp dated 14 October 1894.

Folder 8

Folder 17

Two? als from John Perry to Heaviside, possibly referring to B A Behrend's attempts to get Heaviside recognition from the American Institute of Electrical Engineers. Badly damaged n.d. [1918] 10 pp

Correspondence from B A Behrend and the American Institute of Electrical Engineers concerning awarding Honorary Membership to Heaviside, and Behrend's subsequent offer to publish Heaviside's work in America. Annotated by Heaviside. One letter addressed to John Perry and possibly referred to in Perry's letter above SC MSS 05/I/3/17/05 Badly damaged. 14 January 1918 - 23 April 1919. See also SC MSS 005/I/3/6/05 and SC MSS 006

Galley proofs of article on Long distance telephony by Perry and Beeston, with page of calculations

R A Fessenden correspondence

als offering him an honorarium by the Royal Society in recognition of his work, signed by Fitzgerald, Oliver Lodge and John Perry 1894-02-06 Trinity College Dublin 2 pp

ms letter from the London Joint Stock Bank Ltd sending £100 on the order of John Perry and asking for acknowledgement of receipt. 1896-04-10 annotated inside by Heaviside with some accounting details between himself and his family. 2pp