741802 semiconductor manufactured by Allied Electronics, listed as 741802 (circa 1976).

742002 semiconductor manufactured by Allied Electronics, listed as 742002 (circa 1976).

742203 semiconductor manufactured by Allied Electronics, listed as 742203 (circa 1976).

742202 semiconductor manufactured by Allied Electronics, listed as 742202 (circa 1976).

7415 semiconductor manufactured by Allied Electronics, listed as 7415 (circa 1976).

7418 semiconductor manufactured by Allied Electronics, listed as 7418 (circa 1976).

7426 semiconductor manufactured by Allied Electronics, listed as 7426 (circa 1976).

2N5241 semiconductor manufactured by Allied Electronics, listed as 2N5241 (circa 1976).

2N5240 semiconductor manufactured by Allied Electronics, listed as 2N5240 (circa 1976).

2N5239 semiconductor manufactured by Allied Electronics, listed as 2N5239 (circa 1976).

2N5839 semiconductor manufactured by Allied Electronics, listed as 2N5839 (circa 1976).

2N5838 semiconductor manufactured by Allied Electronics, listed as 2N5838 (circa 1976).

2N3788 semiconductor manufactured by Allied Electronics, listed as 2N3788 (circa 1976).

2N3902 semiconductor manufactured by Allied Electronics, listed as 2N3902 (circa 1976).

1N2128A semiconductor manufactured by Allied Electronics, listed as 1N2128A (circa 1976).

1N2129A semiconductor manufactured by Allied Electronics, listed as 1N2129A (circa 1976).

1N1184 semiconductor manufactured by Allied Electronics, listed as 1N1184 (circa 1976).

1N4050 semiconductor manufactured by Allied Electronics, listed as 1N4050 (circa 1976).

1N3740 semiconductor manufactured by Allied Electronics, listed as 1N3740 (circa 1976).

1N3170 semiconductor manufactured by Allied Electronics, listed as 1N3170 (circa 1976).