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Evans, Frederick John Owen, 1815 - 1885 (hydrographer)


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Papers on determining galvanic longitudes, 1870 - 1877

Reference Code: GBR/0180/RGO 6/639
Scope and Contents Correspondence and papers concerning proposals and operations to determine the longitude of Brest, Vienna, Berlin, Dublin (postponed), Suez and various places in India and Australia. There are Greenwich chronograph readings and signals exchanged for the Brest longitude; estimates for the erection of a wooden observatory building at the Royal Observatory; and explanations on how the fundamental longitude in India and Australia should be obtained. The correspondents include C.E. Delaunay,...
Dates: 1870 - 1877
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