vintage cast iron electrical device,
Updated August 6, 2026
| Lot number | 0537 |
| Estimate | $1,000 - $3,000 |
| Opening bid | $10 |
| 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 |
vintage cast iron electrical device, specifically a variometer or a demonstration dynamo from the late 19th or early 20th century.It features a heavy metal frame, a central coil mechanism, and
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