Object is a pair of circuit boards, one with edge connectors and one without, sandwiching a bracket with a power transistor. On one edge of the board with connectors is a white label reading ""AMPL.-ELECT. CONT." and also bearing the part and serial numbers (which are repeated on the solder side also).
Date
1959
Manufacturer
Autonetics Division, North American Aviation
Place Manufactured
U.S.
Identifying Numbers
Other number
66142-502
Printed on solder side of board without connectors
