2N578 semiconductor manufactured by Allied Electronics, listed as 2N578 (circa 1964).

2N269 semiconductor manufactured by Allied Electronics, listed as 2N269 (circa 1964).

2N586 semiconductor manufactured by Allied Electronics, listed as 2N586 (circa 1964).

2N220 semiconductor manufactured by Allied Electronics, listed as 2N220 (circa 1964).

2N406 semiconductor manufactured by Allied Electronics, listed as 2N406 (circa 1964).

2N405 semiconductor manufactured by Allied Electronics, listed as 2N405 (circa 1964).

2N407 semiconductor manufactured by Allied Electronics, listed as 2N407 (circa 1964).

2N376 semiconductor manufactured by Allied Electronics, listed as 2N376 (circa 1964).

2N270 semiconductor manufactured by Allied Electronics, listed as 2N270 (circa 1964).

2N1637 semiconductor manufactured by Allied Electronics, listed as 2N1637 (circa 1964).

2N1397 semiconductor manufactured by Allied Electronics, listed as 2N1397 (circa 1964).

2N409 semiconductor manufactured by Allied Electronics, listed as 2N409 (circa 1964).

2N384 semiconductor manufactured by Allied Electronics, listed as 2N384 (circa 1964).

2N372 semiconductor manufactured by Allied Electronics, listed as 2N372 (circa 1964).

2N370 semiconductor manufactured by Allied Electronics, listed as 2N370 (circa 1964).

2N274 semiconductor manufactured by Allied Electronics, listed as 2N274 (circa 1964).

2N1914W semiconductor manufactured by Allied Electronics, listed as 2N1914W (circa 1964).

2N1913W semiconductor manufactured by Allied Electronics, listed as 2N1913W (circa 1964).

2N1912W semiconductor manufactured by Allied Electronics, listed as 2N1912W (circa 1964).

1N649 semiconductor manufactured by Allied Electronics, listed as 1N649 (circa 1964).