2N1387 semiconductor manufactured by Sylvania, listed as 2N1387 (circa 1979).

2N1254 semiconductor manufactured by Sylvania, listed as 2N1254 (circa 1979).

2N1145 semiconductor manufactured by Sylvania, listed as 2N1145 (circa 1979).

2N1029B semiconductor manufactured by Sylvania, listed as 2N1029B (circa 1979).

2N914 semiconductor manufactured by Sylvania, listed as 2N914 (circa 1979).

2N758B semiconductor manufactured by Sylvania, listed as 2N758B (circa 1979).

2N665 semiconductor manufactured by Sylvania, listed as 2N665 (circa 1979).

2N1386 semiconductor manufactured by Sylvania, listed as 2N1386 (circa 1979).

2N1253 semiconductor manufactured by Sylvania, listed as 2N1253 (circa 1979).

2N1144 semiconductor manufactured by Sylvania, listed as 2N1144 (circa 1979).

2N1029A semiconductor manufactured by Sylvania, listed as 2N1029A (circa 1979).

2N913 semiconductor manufactured by Sylvania, listed as 2N913 (circa 1979).

2N758A semiconductor manufactured by Sylvania, listed as 2N758A (circa 1979).

2N663 semiconductor manufactured by Sylvania, listed as 2N663 (circa 1979).

2N1385 semiconductor manufactured by Sylvania, listed as 2N1385 (circa 1979).

2N1252 semiconductor manufactured by Sylvania, listed as 2N1252 (circa 1979).

2N1143A semiconductor manufactured by Sylvania, listed as 2N1143A (circa 1979).

2N1029 semiconductor manufactured by Sylvania, listed as 2N1029 (circa 1979).

2N912 semiconductor manufactured by Sylvania, listed as 2N912 (circa 1979).

2N758 semiconductor manufactured by Sylvania, listed as 2N758 (circa 1979).