A rare Newman Fortin-type exhibition quality scientific barometer, English, third quarter of the 19th century,
Lot 70W
A rare Newman Fortin-type exhibition quality scientific barometer,
English, third quarter of the 19th century,
£2,000 - 3,000
US$ 3,400 - 5,100
Lot Details
A rare Newman Fortin-type exhibition quality scientific barometer, English, third quarter of the 19th century,
signed on silvered plaque, Negretti & Zambra, 1 Hatton Garden, 122 Regent Street, 59 Cornhill, 153 Fleet Street, LONDON, the glass capillary tube within bronze frame and with massive mercury reservoir with glass surround, rack and pinion adjustment to the vernier and inch and centimeter scales, in mirror-backed and glazed mahogany display case, 50½in (128cm) high

Footnotes

  • These high precision Fortin barometers were used in observatories and other scientific institutions where great accuracy was required. Similar examples are housed in the Canada Science & Technology Museum and the Power House Museum, Sydney.

    This example is mounted with a plaque lettered Presented by Hermann Bicknell January 1873. Herman Bicknell was a surgeon, orientalist, linguist and an intrepid traveller and he was one of the first Englishman to penetrate Mecca as detailed in his account published in The Times of August 25th 1862.
Activities
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Contacts
  1. Jon Baddeley
    Specialist - Scientific Instruments
    Bonhams
    Work
    Montpelier Street
    London, United Kingdom SW7 1HH
    Work 0207 393 3872
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