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Antiques & Art:Antiques:Science & Medicine:Science Instruments |
(to seller) (to bidder)
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Seller assumes all responsibility for listing this item. You should contact the seller to resolve any questions before bidding. Auction currency is U.S. dollars ( US $ ) unless otherwise noted. |
Description |
A Rare Gurley near-Miniature Pocket Railroad Compass CA-1885 with non-hinging removable sight vanes, each 6" tall, (note the thumb screws are specific to the vane. One screw has a longer shaft allowing clearance at the slow motion tangent screw side). The compass has a 3~1/2" needle, a rack & Pinion variation setting and a single vernier to the 5~1/2" limb. The compass is fit with a lock and slow motion tangent screw on the recording motion and has a ball and socket leveling head with both the tripod and the staff socket.
Typically, this form of Gurley Railroad compass is fit with folding sight vanes. I have seen one other early Gurley RR compass with these types of sight vanes; they were most likely special order instruments possible for mining applications. This is a very nice early compass, much smaller than typical and complete with the original case accessory-base and tripod. The compass retains most of the original gold lacquer finish.
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On Apr-30-02 at 02:07:01 PDT, seller added the following information:
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NOTE: The reserve on this complete and uncommon Gurley compass is $2250.
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