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Signature	Maker	Instruments	Comments	Location	References
ZEIHER, JOHANN ERNST	Russia, fl.1762-98,		designed a metallic thermometer and a marine barometer.	St. Petersburg.	Chaldecott 4; Middleton 1.
ZEIHER, JOHANN ERNST	Russia, fl.1762-98,		designed a metallic thermometer and a marine barometer.	St. Petersburg.	Chaldecott 4; Middleton 1.

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