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1916 Book w/Advertising AMERICAN GYROSCOPE CO.-Sperry Instruments-Compasses,etc $49.99 USD Sold on: 2013-Jan-15 Marketplace: eBay  1 Treasure 0 Trash   100% Detail:Very old, 1916 hardcover book with advertising for nautical and early aviation gyroscopes-compasses--navigational instruments--- TRANSFERRING FORCES -"AROUND THE CORNER"- AMERICAN GYROSCOPE CO. Table ...  More Relevance Historical Items |
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