2N1030B semiconductor manufactured by Sylvania, listed as 2N1030B (circa 1979).

2N916 semiconductor manufactured by Sylvania, listed as 2N916 (circa 1979).

2N760 semiconductor manufactured by Sylvania, listed as 2N760 (circa 1979).

2N677 semiconductor manufactured by Sylvania, listed as 2N677 (circa 1979).

2N1257 semiconductor manufactured by Sylvania, listed as 2N1257 (circa 1979).

2N1146B semiconductor manufactured by Sylvania, listed as 2N1146B (circa 1979).

2N1030A semiconductor manufactured by Sylvania, listed as 2N1030A (circa 1979).

2N915 semiconductor manufactured by Sylvania, listed as 2N915 (circa 1979).

2N759B semiconductor manufactured by Sylvania, listed as 2N759B (circa 1979).

2N674 semiconductor manufactured by Sylvania, listed as 2N674 (circa 1979).

2N1389 semiconductor manufactured by Sylvania, listed as 2N1389 (circa 1979).

2N485 semiconductor manufactured by Sylvania, listed as 2N485 (circa 1979).

2N403 semiconductor manufactured by Sylvania, listed as 2N403 (circa 1979).

2N309 semiconductor manufactured by Sylvania, listed as 2N309 (circa 1979).

2N217A semiconductor manufactured by Sylvania, listed as 2N217A (circa 1979).

2N138B semiconductor manufactured by Sylvania, listed as 2N138B (circa 1979).

2N573 semiconductor manufactured by Sylvania, listed as 2N573 (circa 1979).

2N484 semiconductor manufactured by Sylvania, listed as 2N484 (circa 1979).

2N402 semiconductor manufactured by Sylvania, listed as 2N402 (circa 1979).

2N308 semiconductor manufactured by Sylvania, listed as 2N308 (circa 1979).