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Signature	Maker	Instruments	Comments	Location	References
DANIELL, JOHN FREDERICK	England, 1790-1845, PHIM	Hygrometer = WHI.	inventor of the Daniell cell, the register pyrometer and the Daniell hygrometer; first professor of chemistry at King's College, London..	London.	USNM; Whipple 1; Middleton 1; Coffeen 56.
DANIELL, JOHN FREDERICK	England, 1790-1845, PHIM	Hygrometer = WHI.	inventor of the Daniell cell, the register pyrometer and the Daniell hygrometer; first professor of chemistry at King's College, London..	London.	USNM; Whipple 1; Middleton 1; Coffeen 56.

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