2N2223 semiconductor manufactured by Allied Electronics, listed as 2N2223 (circa 1964).

2N2060 semiconductor manufactured by Allied Electronics, listed as 2N2060 (circa 1964).

2N2644 semiconductor manufactured by Allied Electronics, listed as 2N2644 (circa 1964).

2N2643 semiconductor manufactured by Allied Electronics, listed as 2N2643 (circa 1964).

2N2642 semiconductor manufactured by Allied Electronics, listed as 2N2642 (circa 1964).

2N264I semiconductor manufactured by Allied Electronics, listed as 2N264I (circa 1964).

2N2640 semiconductor manufactured by Allied Electronics, listed as 2N2640 (circa 1964).

2N2639 semiconductor manufactured by Allied Electronics, listed as 2N2639 (circa 1964).

2N2432 semiconductor manufactured by Allied Electronics, listed as 2N2432 (circa 1964).

2N2386 semiconductor manufactured by Allied Electronics, listed as 2N2386 (circa 1964).

2N2500 semiconductor manufactured by Allied Electronics, listed as 2N2500 (circa 1964).

2N2498 semiconductor manufactured by Allied Electronics, listed as 2N2498 (circa 1964).

2N2497 semiconductor manufactured by Allied Electronics, listed as 2N2497 (circa 1964).

2N1975 semiconductor manufactured by Allied Electronics, listed as 2N1975 (circa 1964).

2N1974 semiconductor manufactured by Allied Electronics, listed as 2N1974 (circa 1964).

2N956 semiconductor manufactured by Allied Electronics, listed as 2N956 (circa 1964).

2N1420 semiconductor manufactured by Allied Electronics, listed as 2N1420 (circa 1964).

2N870 semiconductor manufactured by Allied Electronics, listed as 2N870 (circa 1964).

2N730 semiconductor manufactured by Allied Electronics, listed as 2N730 (circa 1964).

2N722 semiconductor manufactured by Allied Electronics, listed as 2N722 (circa 1964).