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Daniell hygrometer

1822

Reproduction of Daniell's oxyhydrogen blowpipe

Register Pyrometer with Case, 1830-1840

1830-1840

Daniell hygrometer by W. & S. Jones, circa 1825

1825

Daniell hygrometer by Newman, 1819.

1819

Daniell hygrometer

1860-1880, 1812 (design)

Register pyrometer to John Frederic Daniell's 1830 design

1830

Daniell hygrometer, unsigned, 24 cm high

Hygrometer, consisting of two thermometers on brass stand. The stem of the wet bulb is bent and has a large bulb covered with muslin. One thermometer is broken.

Hygrometer, consisting of two thermometers on brass stand

1876
Russian lodestone and coil used with it by Faraday

Professor Daniell's lodestone used by Faraday in 1831

1777
Daniell cell

Daniell cell

Daniell hygrometer, unsigned, circa 1860, presented to the Met. Office Museum by The Royal Meteorological Society in 1978

Daniell hygrometer

1860-1880, 1812 (design)
Photograph (7"x 8") of magnet and coil used by Faraday. (These were shown in the loan Collection of Scientific apparatus of 1876)

Photograph of magnet and coil used by Faraday

1876
Open-cistern barometer on gimballs, in two parts - major and minor - designed by John Frederic Daniell, and made by John Newman, London, England, 1820

John Frederic Daniell's Open-cistern barometer, 1820

1820
Daniell-type condensation hygrometer (1819 pattern) by William Ladd, 11 & 12 Beak Street, Regent Street, London, 1872

John Frederic Daniell-type condensation hygrometer by William Ladd, 1872

1872