Troughton & Simms Transit Theodolite
Updated August 28, 2026
| Lot number | 1028 |
| Estimate | $500 - $10,000 |
| Opening bid | $250 |
| Auction | Inventions and Technology Auction |
| Date | September 26, 2026 at 9:00 AM CDT |
| Auction house | Donley Auctions |
| Location | Union, Illinois |
An exceptional antique 6-inch transit theodolite by Troughton & Simms, Ltd. (London, England), crafted circa ...
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