Instructograph Model 500 Morse Code Practice Machi
Updated August 7, 2026
| Lot number | 926 |
| Auction | Estate Auction Adrian Anderson |
| Date | August 18, 2026 at 9:00 AM CDT |
| Auction house | Ken Carpenter Auction & Realty LLC |
| Location | Mustang, Oklahoma |
This lot features an Instructograph Model 500 code practice machine housed in a portable carrying case. The device is designed for learning and practicing Morse code and includes a set of paper tape reels, with one reel mounted on the machine and several additional reels included in their original boxes. The control panel on the device features four adjustment knobs labeled for volume, speed, and motor/keying functions. The unit is contained within a black, hinged-lid carrying case.
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