Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879


Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879. Dial displays Barometer and Altimeter readings. Dial also marked “Compensated, Negretti & Zambra London #8171″. The instrument is functioning. It measuring approximately 2″ in diameter and 5/8″ thick. Note the last photo which displays the change in reading by placing in plastic bag, applying pressure, and simulating change in barometric pressure. The second to last photo shows a pin near the stem. I have not explored the method for setting it to current conditions. The item “Antique POCKET BAROMETER by Negretti & Zambra, presented June 1 1879″ is in sale since Friday, September 4, 2020. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “laj549″ and is located in Manchester, Washington. This item can be shipped to United States.

  • Period: 1879
  • Modified Item: No
  • Time Period Manufactured: Pre-1930
  • Sub-Type: Barometers Altimeter
  • Type: Scientific Instrument
  • Original/Reproduction: Original
  • Maker: Negretti and Zambra
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