Ceramic electric insulators knob tube
Updated September 14, 2026
| Lot number | 7736 |
| Auction | Antique, Collectible, Household, Inventory 09/22/26 |
| Date | September 22, 2026 at 5:00 PM CDT |
| Auction house | Samson Development LLC |
| Location | Cedar Falls, Iowa |
vintage ceramic electrical insulators, often referred to as "knob and tube" wire tubes
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