MAGELLAN, JEAN HYACINTHE DE |
Portugal; France; England, 1723-90, NIM |
Repeating Circle = NMM. |
invented a type of repeating circle; made Gowin Knight's compasses with George Adams 2; took out a patent for an improvement for the barometer with Henry Pyefinch in 1765; agent for some London instrument makers; F.R.S. |
Paris; London (by 1765). |
Taylor 2(378); DNB; Middleton 1; A.J. Turner 10; RSW. |
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