2N2334 semiconductor manufactured by Sylvania, listed as 2N2334 (circa 1979).

2N2333 semiconductor manufactured by Sylvania, listed as 2N2333 (circa 1979).

2N2332 semiconductor manufactured by Sylvania, listed as 2N2332 (circa 1979).

2N2331 semiconductor manufactured by Sylvania, listed as 2N2331 (circa 1979).

2N2330 semiconductor manufactured by Sylvania, listed as 2N2330 (circa 1979).

2N2320 semiconductor manufactured by Sylvania, listed as 2N2320 (circa 1979).

2N2319 semiconductor manufactured by Sylvania, listed as 2N2319 (circa 1979).

2N2318 semiconductor manufactured by Sylvania, listed as 2N2318 (circa 1979).

2N2315 semiconductor manufactured by Sylvania, listed as 2N2315 (circa 1979).

2N2314 semiconductor manufactured by Sylvania, listed as 2N2314 (circa 1979).

2N2312 semiconductor manufactured by Sylvania, listed as 2N2312 (circa 1979).

2N2310 semiconductor manufactured by Sylvania, listed as 2N2310 (circa 1979).

2N2309 semiconductor manufactured by Sylvania, listed as 2N2309 (circa 1979).

2N2305 semiconductor manufactured by Sylvania, listed as 2N2305 (circa 1979).

2N2303 semiconductor manufactured by Sylvania, listed as 2N2303 (circa 1979).

2N2299 semiconductor manufactured by Sylvania, listed as 2N2299 (circa 1979).

2N2297 semiconductor manufactured by Sylvania, listed as 2N2297 (circa 1979).

2N2296 semiconductor manufactured by Sylvania, listed as 2N2296 (circa 1979).

2N2295 semiconductor manufactured by Sylvania, listed as 2N2295 (circa 1979).

2N2294 semiconductor manufactured by Sylvania, listed as 2N2294 (circa 1979).