Accurate Instrument Model 257 Tube Tester
Updated September 25, 2026
| Lot number | 287 |
| Auction | October Room 3 Online Auction |
| Date | October 5, 2026 at 7:00 PM CDT |
| Auction house | Edens Auctions, Inc. |
| Location | Flowood, Mississippi |
Accurate Instrument Co. Inc., New York, N.Y. Model 257 vacuum tube tester in black carrying case. Includes original operating instructions and tube chart. Power cord attached.
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