Rare Knapp Dynamo Type S Cast Iron Toy Electric Motor c. 1900
Updated August 6, 2026
| Lot number | 0229 |
| Estimate | $10 - $800 |
| Opening bid | $10 |
| Category | Toys & Collectibles |
| 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 |
Rare antique Knapp Dynamo Type “S” cast iron toy electric motor, dating to the early 1900s. Features the distinctive spherical housing, cast iron construction, and exposed mechanical
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