2N1014 semiconductor manufactured by Sylvania, listed as 2N1014 (circa 1979).

2N866 semiconductor manufactured by Sylvania, listed as 2N866 (circa 1979).

2N744 semiconductor manufactured by Sylvania, listed as 2N744 (circa 1979).

2N651 semiconductor manufactured by Sylvania, listed as 2N651 (circa 1979).

2N1367 semiconductor manufactured by Sylvania, listed as 2N1367 (circa 1979).

2N1229 semiconductor manufactured by Sylvania, listed as 2N1229 (circa 1979).

2N1135 semiconductor manufactured by Sylvania, listed as 2N1135 (circa 1979).

2N1012 semiconductor manufactured by Sylvania, listed as 2N1012 (circa 1979).

2N865A semiconductor manufactured by Sylvania, listed as 2N865A (circa 1979).

2N743A semiconductor manufactured by Sylvania, listed as 2N743A (circa 1979).

2N650A semiconductor manufactured by Sylvania, listed as 2N650A (circa 1979).

2N1366 semiconductor manufactured by Sylvania, listed as 2N1366 (circa 1979).

2N1228 semiconductor manufactured by Sylvania, listed as 2N1228 (circa 1979).

2N1132B semiconductor manufactured by Sylvania, listed as 2N1132B (circa 1979).

2N1011 semiconductor manufactured by Sylvania, listed as 2N1011 (circa 1979).

2N865 semiconductor manufactured by Sylvania, listed as 2N865 (circa 1979).

2N743 semiconductor manufactured by Sylvania, listed as 2N743 (circa 1979).

2N650 semiconductor manufactured by Sylvania, listed as 2N650 (circa 1979).

2N1365 semiconductor manufactured by Sylvania, listed as 2N1365 (circa 1979).

2N1227A semiconductor manufactured by Sylvania, listed as 2N1227A (circa 1979).