Antique Clockwork Furnace Damper Timer Control c. 1890–1920
Updated August 6, 2026
| Lot number | 0242 |
| Estimate | $10 - $500 |
| Opening bid | $10 |
| Category | Antiques & Furniture |
| Auction | Kevin Shail Antique Collection 4 electric fan |
| Date | August 23, 2026 at 6:00 AM EDT |
| Auction house | Sphere Auctions LLC |
| Location | Sun Prarie, Wisconsin |
Antique clockwork-style furnace damper control or industrial timing mechanism dating to the late 19th or early 20th century. Features exposed brass gears, a large mainspring, electrical contact
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