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Gyroscopic Compass Patent Print Black Matte (5" x 7") M11289

KWD 5.500
– 1 +

Special Features

  • Printed on Acid-free heavyweight Midnight Blue Matte Paper
  • Printed using archival inks meant to last years
  • Your selection fits a 8.5" x 11" Frame or can be matted or hung on your Wall without a Frame.
  • Midnight Blue color

Description

This is a reproduction of the original Patent for a Gyroscopic Compass.

It was invented by Elmer A. Sperry and filed on June 21, 1911. It was issued on September 17, 1918 by the United States Patent and Trademark Office.

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