K&E No. 4236 Compensating Planimeter
Updated October 15, 2026
This auction ended on October 16, 2026.
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| Lot number | 109 |
| Auction | Watchmaker consignment tools,parts, clocks |
| Date | October 16, 2026 at 5:00 PM CDT |
| Auction house | Sphere Auctions LLC |
| Location | Sun Prairie, Wisconsin |
Keuffel & Esser No. 4236 compensating polar planimeter in its fitted case. Includes the original instrument and a yellow “Test Equipment” inventory label. See photos for condition and contents.
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