SPO-40,, Sigtronics 4 Way Transcom Portable Intercom
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Sigtronics 4 Way Transcom Pilot and Copilot Portable Intercom as shown on photo, (one additional jack was installed and hole for another one was drilled but no loose wires anywhere inside unit). Model SPO-40. Removed from a salvage aircraft.
| Condition Code | |
| Condition | AR |