Florentine Hygrometer (replica)

Florentine Hygrometer (replica)

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Ferdinand II (1610-1670), the Grand Duke Tuscany, supported Galileo, encouraged his experimental researches, and allegedly invented this type of condensation hygrometer. L. C. Eichner made this replica for the Smithsonian.
Ref: Saggi di naturali esperienze / fatte nell'Accademia del Cimento (Firenze, 1667); reprint, 1841, p 17.
W. E. K. Middleton, Catalog of Meteorological Instruments in the Museum of History and Technology (Washington, D.C., 1969), pp. 64-65.
Currently not on view
Object Name
hygrometer (replica)
Eichner, Laurits Christian
overall: 19 in x 12 1/2 in x 14 1/2 in; 48.26 cm x 31.75 cm x 36.83 cm
overall: 19 1/2 in x 14 1/2 in; 49.53 cm x 36.83 cm
overall; cork cone: 12 1/4 in x 5 11/16 in; 31.115 cm x 14.44625 cm
overall; graduated glass vessel: 6 7/16 in x 2 5/8 in; 16.35125 cm x 6.6675 cm
ID Number
accession number
catalog number
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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