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Psychrometer
H. Geissler, 1846
Hydrometer Float in a Case
Burnett (possibly), c. 1800 - c. 1858
Salinometer
A.P. How, 1850 - 1865
Hydrometer
Burnett (possibly), c. 1800 - c. 1858
Barometer, gecombineerd met…
A. Bazerga, 1785 - 1800
Hydrometer
Kyan (possibly), c. 1800 - c. 1858