BIRCHS U.S. PATENT MAY 23 1876 Adjustable for Key Wind Pocket Watches. Extremely Rare, all original adjustable Patented instrument to wind any size key wind pocket watch. Eliminates the need for multiple key sizes. 70mm long, and 11mm tapering to 6mm at the key wind position and marked: BIRCHS U.S. PATENT MAY 23 76. around this end. On one end exists a button, which when pushed, increases the size of the key wind position at the other end, allowing any size key position to be achieved. A must accessary for the vintage Key Wind Pocket collector. THIS IS A FINE COLLECTIBLE. DON'T INVEST IN THE STOCK MARKET or BONDS. BUY HARD ASSETS, SOMETHING PROVEN IN TIME.
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