2N502 semiconductor manufactured by Allied Electronics, listed as 2N502 (circa 1964).

2N499A semiconductor manufactured by Allied Electronics, listed as 2N499A (circa 1964).

2N499 semiconductor manufactured by Allied Electronics, listed as 2N499 (circa 1964).

2N588 semiconductor manufactured by Allied Electronics, listed as 2N588 (circa 1964).

2N2375 semiconductor manufactured by Allied Electronics, listed as 2N2375 (circa 1964).

2N2376 semiconductor manufactured by Allied Electronics, listed as 2N2376 (circa 1964).

2N2374 semiconductor manufactured by Allied Electronics, listed as 2N2374 (circa 1964).

2N535B semiconductor manufactured by Allied Electronics, listed as 2N535B (circa 1964).

2N535A semiconductor manufactured by Allied Electronics, listed as 2N535A (circa 1964).

2N535 semiconductor manufactured by Allied Electronics, listed as 2N535 (circa 1964).

2N534 semiconductor manufactured by Allied Electronics, listed as 2N534 (circa 1964).

2N207B semiconductor manufactured by Allied Electronics, listed as 2N207B (circa 1964).

2N207A semiconductor manufactured by Allied Electronics, listed as 2N207A (circa 1964).

2N207 semiconductor manufactured by Allied Electronics, listed as 2N207 (circa 1964).

2N2402 semiconductor manufactured by Allied Electronics, listed as 2N2402 (circa 1964).

2N240I semiconductor manufactured by Allied Electronics, listed as 2N240I (circa 1964).

2N2048 semiconductor manufactured by Allied Electronics, listed as 2N2048 (circa 1964).

2N976 semiconductor manufactured by Allied Electronics, listed as 2N976 (circa 1964).

2N846A semiconductor manufactured by Allied Electronics, listed as 2N846A (circa 1964).

2N779A semiconductor manufactured by Allied Electronics, listed as 2N779A (circa 1964).