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Reproduction of Daniell's oxyhydrogen blowpipe

Daniell hygrometer

1822

Register Pyrometer with Case, 1830-1840

1830-1840

Daniell hygrometer by Newman, 1819.

1819

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

1825

Daniell hygrometer, unsigned, 24 cm high

Register pyrometer to John Frederic Daniell's 1830 design

1830

Daniell hygrometer

1860-1880, 1812 (design)
Daniell cell

Daniell cell

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

Daniell hygrometer

1860-1880, 1812 (design)
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