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Gordon Cooper's Mercury Time and Date Chart. A multi-colored plastic card with a center wheel section which allows the user s...

Gordon Cooper's Mercury Time and Date Chart. A multi-colored plastic card with a center wheel section which allows the user set the time at one ground station and determine the time at another. A polar azimuthal projection (modified to show 360 degrees within 180 degrees) shows all Mercury ground stations and plots a three orbit ground track of a spacecraft. Approximately 5x4 inches with a Typed Signed Letter by Gordon Cooper providing additional details. Bell Telephone Labs/NASA, 1960

  • Notes: The letter reads in part: "This little device was a fun item distributed by the ground network folks to allow quick time references between any two ground stations across the globe."
  • Condition: All items are offered for sale subject to Swann Galleries' standard terms and conditions of sale, which are published in our catalogues.

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April 17, 2008 1:30 PM EDT
New York, NY, US

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