Correspondence on magnetism and photography, 1849 - 1854
Scope and Contents
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.
- 1849 - 1854
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1 archive box(es) (1 box)
Language of Materials
Former / Other Reference
Finding aid date
- Beaufort, Francis, Sir, 1774 - 1857 (Knight, Rear Admiral and hydrographer)
- Brooke, Charles, 1804 - 1879 (surgeon and inventor of measuring instruments)
- Ronalds, Francis, Sir, 1788 - 1873 (Knight, electrical engineer and meteorologist)
- Sabine, Edward, Sir, 1788 - 1883 (Knight, army officer and physicist)