74135 semiconductor manufactured by Lafayette Radio Electronics, listed as 74135 (circa 1969).

74093 semiconductor manufactured by Lafayette Radio Electronics, listed as 74093 (circa 1969).

74010 semiconductor manufactured by Lafayette Radio Electronics, listed as 74010 (circa 1969).

74069 semiconductor manufactured by Lafayette Radio Electronics, listed as 74069 (circa 1969).

74044 semiconductor manufactured by Lafayette Radio Electronics, listed as 74044 (circa 1969).

74028 semiconductor manufactured by Lafayette Radio Electronics, listed as 74028 (circa 1969).

74077 semiconductor manufactured by Lafayette Radio Electronics, listed as 74077 (circa 1969).

74466 semiconductor manufactured by Lafayette Radio Electronics, listed as 74466 (circa 1969).

74067 semiconductor manufactured by Lafayette Radio Electronics, listed as 74067 (circa 1969).

74625 semiconductor manufactured by Lafayette Radio Electronics, listed as 74625 (circa 1969).

7400 semiconductor manufactured by Lafayette Radio Electronics, listed as 7400 (circa 1969).

7403 semiconductor manufactured by Lafayette Radio Electronics, listed as 7403 (circa 1969).

74520W semiconductor manufactured by Lafayette Radio Electronics, listed as 74520W (circa 1969).

74223 semiconductor manufactured by Lafayette Radio Electronics, listed as 74223 (circa 1969).

1N241D semiconductor manufactured by Lafayette Radio Electronics, listed as 1N241D (circa 1969).

I1 electron tube manufactured by Lafayette Radio Electronics, listed as I1 (circa 1969).

SC628P electron tube manufactured by Lafayette Radio Electronics, listed as SC628P (circa 1969).

T185 electron tube manufactured by Lafayette Radio Electronics, listed as T185 (circa 1969).

T171 electron tube manufactured by Lafayette Radio Electronics, listed as T171 (circa 1969).

P101 electron tube manufactured by Lafayette Radio Electronics, listed as P101 (circa 1969).