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1974 Telex Dial-A-Con Anglo-Met-Convertor Metric volvelle or wheel chart Sealed

$ 15.83

Availability: 30 in stock
  • Date of Creation: 1974
  • Time Period Manufactured: 1960-Now
  • Return shipping will be paid by: Buyer
  • Refund will be given as: Money Back
  • Item must be returned within: 14 Days
  • Condition: new in shrink wrap
  • SKU: nox31854
  • All returns accepted: Returns Accepted

    Description

    Sealed in original plastic wrap, Anglo/Metric Convertor
    MODEL MET-56
    Anglo to Metric Convertor with patented DIAL-A-CON®. Simply dial with a pencil for fast, accurate conversions of length, weight, area, volume and liquid or dry measurements.
    Place pencil point in desired conversion hole. Rotate disc until point lines up in bottom disc hole. Read ANGLO figures on outer scale and METRIC on inner scale.
    TELEX
    Telex Communications Inc. 1974 Minneapolis, Minnesota 55420
    Model: MET-56 U.S. Pat No. 3,544,768
    Made In U.S.A
    A volvelle or wheel chart is a type of slide chart, a paper construction with rotating parts. It is considered an early example of a paper analog computer.
    Condition:  new in shrink wrap. View all pictures as they are part of the description. Pictures are of the actual item you will receive.