Hygrometer
Condensation hygrometer
Inv. 276, 2443
Maker unknown, Tuscany, Hygrometer: 19th cent. / Glass: 17th cent.
Folli's paper-ribbon hygrometer
Inv. 2434
Maker unknown, second half 17th cent.
Folli's paper-ribbon hygrometer
Inv. 2435
Maker unknown, second half 17th cent.
Hair hygrometer
Inv. 2032
Maker unknown, Italian, ca. 1850
Hair hygrometer
Inv. 2442
Nairne & Blunt firm, London, late 18th cent.
Hair hygrometer
Inv. 3708
Maker unknown, Italian?, late 19th cent.
Hygrometer glasses
Inv. 99, 100
Maker unknown, Florence, mid-17th cent.
Maiocchi's tension hygrometer
Inv. 1381
Maker unknown, ca. 1845
Paper-disk hygrometer
Inv. 4
Adams, London, second half 18th cent.
Psychrometer - wet and dry bulb thermometer
Inv. 3467
Maker unknown, second half 19th cent.
Saussure hair hygrometer
Inv. 2033
Jaques Paul [attr.], Geneva, late 18th cent.
Viviani's paper-ribbon hygrometer
Inv. 2436
Maker unknown, second half 17th cent.
Viviani's paper-ribbon hygrometer
Inv. 2, 2438
Maker unknown, second half 17th cent.
Viviani's paper-ribbon hygrometer
Inv. 1, 2439
Maker unknown, second half 17th cent.
Viviani's paper-ribbon hygrometer
Inv. 3, 2437
Maker unknown, second half 17th cent.
Viviani's rope hygrometer
Inv. 799
Vincenzo Viviani [attr.], Italian, second half 17th cent. (oldest part)