Beaufort, Francis, Sir, 1774 - 1857 (Knight, Rear Admiral and hydrographer)
Found in 4 Collections and/or Records:
Correspondence on magnetic instruments, 1835 - 1848
Correspondence on magnetic observations, 1834 - 1848
Correspondence on magnetism and photography, 1849 - 1854
Correspondence with C. Brooke, F. Beaufort, E. Sabine and F. Ronalds concerning magnetic instruments and photographic registration. There are two circulars advertising Gray and Keen's floating compasses; specimens of photographic secondaries and tertiaries; papers regarding tests on various emulsions; and notes on the Greenwich magnetic instruments for 1853 and 1854.
Papers on magnetism, 1836 - 1848
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