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Thread: Aircraft instrument or.......?

  1. #1
    Join Date
    Oct 2007
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    England
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    Aircraft instrument or.......?

    Found in a box of bits and fairly heavy. Manufactured in England by Negretti & Zambra.
    Any ideas please?



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  2. #2
    Join Date
    Oct 2008
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    787
    Probably not aircraft, they made scientific and industrial instruments as well. Maybe hot water system.

    The patents marked on the dial date from the 1920s and indicate that it should have had a capilliary which would explain why the pointer is stuck at the end. The eagle eyed will have also spotted 5ft which is probably the length of capilliary provided.
    Last edited by smirky; 17th January 2018 at 15:59.

  3. #3
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