2N2373 semiconductor manufactured by Sylvania, listed as 2N2373 (circa 1979).

2N2372 semiconductor manufactured by Sylvania, listed as 2N2372 (circa 1979).

2N2371 semiconductor manufactured by Sylvania, listed as 2N2371 (circa 1979).

2N2370 semiconductor manufactured by Sylvania, listed as 2N2370 (circa 1979).

2N2369 semiconductor manufactured by Sylvania, listed as 2N2369 (circa 1979).

2N2368A semiconductor manufactured by Sylvania, listed as 2N2368A (circa 1979).

2N2368 semiconductor manufactured by Sylvania, listed as 2N2368 (circa 1979).

2N2363 semiconductor manufactured by Sylvania, listed as 2N2363 (circa 1979).

2N2362 semiconductor manufactured by Sylvania, listed as 2N2362 (circa 1979).

2N2361 semiconductor manufactured by Sylvania, listed as 2N2361 (circa 1979).

2N2360 semiconductor manufactured by Sylvania, listed as 2N2360 (circa 1979).

2N2358 semiconductor manufactured by Sylvania, listed as 2N2358 (circa 1979).

2N2357 semiconductor manufactured by Sylvania, listed as 2N2357 (circa 1979).

2N2354 semiconductor manufactured by Sylvania, listed as 2N2354 (circa 1979).

2N2353A semiconductor manufactured by Sylvania, listed as 2N2353A (circa 1979).

2N2353 semiconductor manufactured by Sylvania, listed as 2N2353 (circa 1979).

2N2349 semiconductor manufactured by Sylvania, listed as 2N2349 (circa 1979).

2N2337 semiconductor manufactured by Sylvania, listed as 2N2337 (circa 1979).

2N2336 semiconductor manufactured by Sylvania, listed as 2N2336 (circa 1979).

2N2335 semiconductor manufactured by Sylvania, listed as 2N2335 (circa 1979).