Geneva Lens Measure Optical Gauge
Updated August 28, 2026
| Lot number | 1088 |
| Estimate | $50 - $1,000 |
| Opening bid | $25 |
| Auction | Inventions and Technology Auction |
| Date | September 26, 2026 at 9:00 AM CDT |
| Auction house | Donley Auctions |
| Location | Union, Illinois |
This late 19th-century scientific gauge is a classic Geneva Lens Measure (spherometer), designed to determine the ...
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