74060 semiconductor manufactured by Lafayette Radio Electronics, listed as 74060 (circa 1969).

74015 semiconductor manufactured by Lafayette Radio Electronics, listed as 74015 (circa 1969).

7486 semiconductor manufactured by Lafayette Radio Electronics, listed as 7486 (circa 1969).

74164 semiconductor manufactured by Lafayette Radio Electronics, listed as 74164 (circa 1969).

74123 semiconductor manufactured by Lafayette Radio Electronics, listed as 74123 (circa 1969).

74073 semiconductor manufactured by Lafayette Radio Electronics, listed as 74073 (circa 1969).

74263 semiconductor manufactured by Lafayette Radio Electronics, listed as 74263 (circa 1969).

74149 semiconductor manufactured by Lafayette Radio Electronics, listed as 74149 (circa 1969).

7495 semiconductor manufactured by Lafayette Radio Electronics, listed as 7495 (circa 1969).

7402 semiconductor manufactured by Lafayette Radio Electronics, listed as 7402 (circa 1969).

7458 semiconductor manufactured by Lafayette Radio Electronics, listed as 7458 (circa 1969).

74392 semiconductor manufactured by Lafayette Radio Electronics, listed as 74392 (circa 1969).

74350 semiconductor manufactured by Lafayette Radio Electronics, listed as 74350 (circa 1969).

74319 semiconductor manufactured by Lafayette Radio Electronics, listed as 74319 (circa 1969).

74301 semiconductor manufactured by Lafayette Radio Electronics, listed as 74301 (circa 1969).

74285 semiconductor manufactured by Lafayette Radio Electronics, listed as 74285 (circa 1969).

74236 semiconductor manufactured by Lafayette Radio Electronics, listed as 74236 (circa 1969).

74723 semiconductor manufactured by Lafayette Radio Electronics, listed as 74723 (circa 1969).

74699 semiconductor manufactured by Lafayette Radio Electronics, listed as 74699 (circa 1969).

74574 semiconductor manufactured by Lafayette Radio Electronics, listed as 74574 (circa 1969).