Telegraph Key w/Sounder
Updated September 23, 2026
This auction ended on September 26, 2026.
See upcoming auctions from Donley Auctions.
| Lot number | 1291 |
| Estimate | $50 - $1,000 |
| Opening bid | $25 |
| Auction | Inventions and Technology Auction |
| Date | September 26, 2026 at 9:00 AM CDT |
| Auction house | Donley Auctions |
| Location | Union, Illinois |
Mounted on a wooden base, marked “4 OHMS”. The piece exhibits expected vintage condition with a rich patina and ...
