1944 WWII US Pitch Speed RPM Computers and Cross Drift Detector

  • Model: 30362
  • Shipping Weight: 1lbs
  • 1 Units in Stock

This is a set of computers created for the US Army Transportation Corps. One calculates the Pitch-Speed-R.P.M. (Time Distance Speed Computer) while the other is a Costing Computer and Cross Drift Detector. Dated 1944. Complete with the carrying case. These type of computers were used by landing crafts during the invasion of D-Day. It plotted the currents on the channel. Manufactured by the American Hydromath Company.

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