74328 semiconductor manufactured by Lafayette Radio Electronics, listed as 74328 (circa 1969).

74237 semiconductor manufactured by Lafayette Radio Electronics, listed as 74237 (circa 1969).

74229 semiconductor manufactured by Lafayette Radio Electronics, listed as 74229 (circa 1969).

74138 semiconductor manufactured by Lafayette Radio Electronics, listed as 74138 (circa 1969).

74120 semiconductor manufactured by Lafayette Radio Electronics, listed as 74120 (circa 1969).

74039 semiconductor manufactured by Lafayette Radio Electronics, listed as 74039 (circa 1969).

74021 semiconductor manufactured by Lafayette Radio Electronics, listed as 74021 (circa 1969).

7442W semiconductor manufactured by Lafayette Radio Electronics, listed as 7442W (circa 1969).

74565 semiconductor manufactured by Lafayette Radio Electronics, listed as 74565 (circa 1969).

1N9419 semiconductor manufactured by Lafayette Radio Electronics, listed as 1N9419 (circa 1969).

7469 semiconductor manufactured by Lafayette Radio Electronics, listed as 7469 (circa 1969).

74488 semiconductor manufactured by Lafayette Radio Electronics, listed as 74488 (circa 1969).

7444W semiconductor manufactured by Lafayette Radio Electronics, listed as 7444W (circa 1969).

74256 semiconductor manufactured by Lafayette Radio Electronics, listed as 74256 (circa 1969).

74280 semiconductor manufactured by Lafayette Radio Electronics, listed as 74280 (circa 1969).

74181 semiconductor manufactured by Lafayette Radio Electronics, listed as 74181 (circa 1969).

74207 semiconductor manufactured by Lafayette Radio Electronics, listed as 74207 (circa 1969).

74371 semiconductor manufactured by Lafayette Radio Electronics, listed as 74371 (circa 1969).

74264 semiconductor manufactured by Lafayette Radio Electronics, listed as 74264 (circa 1969).

74405 semiconductor manufactured by Lafayette Radio Electronics, listed as 74405 (circa 1969).