7413 semiconductor manufactured by Allied Electronics, listed as 7413 (circa 1976).

7400 semiconductor manufactured by Allied Electronics, listed as 7400 (circa 1976).

74121 semiconductor manufactured by Allied Electronics, listed as 74121 (circa 1976).

7417 semiconductor manufactured by Allied Electronics, listed as 7417 (circa 1976).

7407 semiconductor manufactured by Allied Electronics, listed as 7407 (circa 1976).

7441 semiconductor manufactured by Allied Electronics, listed as 7441 (circa 1976).

7411 semiconductor manufactured by Allied Electronics, listed as 7411 (circa 1976).

7401 semiconductor manufactured by Allied Electronics, listed as 7401 (circa 1976).

LM311H semiconductor manufactured by Allied Electronics, listed as LM311H (circa 1976).

LM309K semiconductor manufactured by Allied Electronics, listed as LM309K (circa 1976).

LM308H semiconductor manufactured by Allied Electronics, listed as LM308H (circa 1976).

LM307N semiconductor manufactured by Allied Electronics, listed as LM307N (circa 1976).

LM307H semiconductor manufactured by Allied Electronics, listed as LM307H (circa 1976).

2N3642 semiconductor manufactured by Allied Electronics, listed as 2N3642 (circa 1976).

2N3641 semiconductor manufactured by Allied Electronics, listed as 2N3641 (circa 1976).

2N3640 semiconductor manufactured by Allied Electronics, listed as 2N3640 (circa 1976).

2N3639 semiconductor manufactured by Allied Electronics, listed as 2N3639 (circa 1976).

2N3638A semiconductor manufactured by Allied Electronics, listed as 2N3638A (circa 1976).

2N3638 semiconductor manufactured by Allied Electronics, listed as 2N3638 (circa 1976).

2N3569 semiconductor manufactured by Allied Electronics, listed as 2N3569 (circa 1976).