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Vacuum gauge calculator

  • Ref. No: SA/BL/4/15
  • Format: Object
  • Date: [20th century]
  • Level: Item
  • Extent: 1 item
  • Access: Open
Laboratory equipment Quality control
Circular calculator wheel used to calculate readings from the B.F.M.R.A patent vacuum gauge. Consists of a white plastic base disc with two sets of black and red numerical markings, one inside the other, and a clear plastic rotational disc with black numerical makings attached by a central metal eyelet. The eyelet also holds a plastic pointer. Held in a metal case along with SA/BL/4/15

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  • Round metal vacuum gauge with a reader dial encased in glass containing a needle and measurements from 0 to 30 in units of 5. Held in a round metal case which also contains two metal keys for the gauge

    Favourite Comments Hierarchy
    Vacuum gauge

    SA/BL/4/14

  • Circular calculator wheel used to calculate readings from the B.F.M.R.A patent vacuum gauge. Consists of a white plastic base disc with two sets of black and red numerical markings, one inside the other, and a clear plastic rotational disc with black numerical makings attached by a central metal eyelet. The eyelet also holds a plastic pointer. Held in a metal case along with SA/BL/4/15

    Favourite Comments Hierarchy
    Vacuum gauge calculator

    SA/BL/4/15

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