7410 semiconductor manufactured by Olson Electronics, listed as 7410 (circa 1974).

7404 semiconductor manufactured by Olson Electronics, listed as 7404 (circa 1974).

7402 semiconductor manufactured by Olson Electronics, listed as 7402 (circa 1974).

7400 semiconductor manufactured by Olson Electronics, listed as 7400 (circa 1974).

1N2071 semiconductor manufactured by Olson Electronics, listed as 1N2071 (circa 1974).

1N4384 semiconductor manufactured by Olson Electronics, listed as 1N4384 (circa 1974).

2N3819 semiconductor manufactured by Olson Electronics, listed as 2N3819 (circa 1974).

2N669 semiconductor manufactured by Olson Electronics, listed as 2N669 (circa 1974).

2N400 semiconductor manufactured by Olson Electronics, listed as 2N400 (circa 1974).

2N353 semiconductor manufactured by Olson Electronics, listed as 2N353 (circa 1974).

2N285A semiconductor manufactured by Olson Electronics, listed as 2N285A (circa 1974).

2N342 semiconductor manufactured by Olson Electronics, listed as 2N342 (circa 1974).

2N236 semiconductor manufactured by Olson Electronics, listed as 2N236 (circa 1974).

2N235B semiconductor manufactured by Olson Electronics, listed as 2N235B (circa 1974).

2N235A semiconductor manufactured by Olson Electronics, listed as 2N235A (circa 1974).

2N235 semiconductor manufactured by Olson Electronics, listed as 2N235 (circa 1974).

2N234A semiconductor manufactured by Olson Electronics, listed as 2N234A (circa 1974).

2N234 semiconductor manufactured by Olson Electronics, listed as 2N234 (circa 1974).

1N4004 semiconductor manufactured by Olson Electronics, listed as 1N4004 (circa 1974).

1N4003 semiconductor manufactured by Olson Electronics, listed as 1N4003 (circa 1974).