Papers of George Airy

Correspondence and papers concerning instructions, magnetic instruments and photographic techniques. The papers include J. Glaisher's report to the Astronomer Royal on examining the magnetic instruments at the Greenwich Observatory; adjustments to vertical force magnets and compasses; sketches of new mountings for dipping needles; discrepancies of dip; alterations of instruments; trials of dipping needles; papers by J.V. Lamont on the form of magnets (one in English, one in German) and determining the value of scale divisions for magnetic instruments; J.A. Brown's magnetic observations in India; papers on photographic stores needed for Greenwich; methods and samples of reproduction of photographs of barometer readings; a drawing of a new naptha box; and a paper and drawing on photo-zincography by H. James. The correspondents include C. Brooke, E. Sabine, B. Stewart, M. Faraday, C. Hansteen, J. Washington, M.J. Johnson and H. James.

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