Vintage brass geophone sensors
Updated August 23, 2026
This auction ended on September 3, 2026.
See upcoming auctions from GNC Antiques, LLC.
| Lot number | 366 |
| Auction | Historic Thomas Plumbing By GNC Online Auctions #806 |
| Date | September 3, 2026 at 5:00 PM EDT |
| Auction house | GNC Antiques, LLC |
| Location | RANDLEMAN, North Carolina |
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See all lots in Historic Thomas Plumbing By GNC Online Auctions #806 →