2N645 semiconductor manufactured by Sylvania, listed as 2N645 (circa 1979).

2N1358M semiconductor manufactured by Sylvania, listed as 2N1358M (circa 1979).

2N1224 semiconductor manufactured by Sylvania, listed as 2N1224 (circa 1979).

2N1126 semiconductor manufactured by Sylvania, listed as 2N1126 (circa 1979).

2N1005 semiconductor manufactured by Sylvania, listed as 2N1005 (circa 1979).

2N858 semiconductor manufactured by Sylvania, listed as 2N858 (circa 1979).

2N739 semiconductor manufactured by Sylvania, listed as 2N739 (circa 1979).

2N644 semiconductor manufactured by Sylvania, listed as 2N644 (circa 1979).

2N1358A semiconductor manufactured by Sylvania, listed as 2N1358A (circa 1979).

2N1223 semiconductor manufactured by Sylvania, listed as 2N1223 (circa 1979).

2N1125 semiconductor manufactured by Sylvania, listed as 2N1125 (circa 1979).

2N1004 semiconductor manufactured by Sylvania, listed as 2N1004 (circa 1979).

2N852 semiconductor manufactured by Sylvania, listed as 2N852 (circa 1979).

2N738 semiconductor manufactured by Sylvania, listed as 2N738 (circa 1979).

2N343 semiconductor manufactured by Sylvania, listed as 2N343 (circa 1979).

2N1358 semiconductor manufactured by Sylvania, listed as 2N1358 (circa 1979).

2N1222 semiconductor manufactured by Sylvania, listed as 2N1222 (circa 1979).

2N1124 semiconductor manufactured by Sylvania, listed as 2N1124 (circa 1979).

2N1003 semiconductor manufactured by Sylvania, listed as 2N1003 (circa 1979).

2N851 semiconductor manufactured by Sylvania, listed as 2N851 (circa 1979).