2N6037 semiconductor manufactured by Sylvania, listed as 2N6037 (circa 1979).

2N6036 semiconductor manufactured by Sylvania, listed as 2N6036 (circa 1979).

2N6035 semiconductor manufactured by Sylvania, listed as 2N6035 (circa 1979).

2N6034 semiconductor manufactured by Sylvania, listed as 2N6034 (circa 1979).

2N6031 semiconductor manufactured by Sylvania, listed as 2N6031 (circa 1979).

2N6030 semiconductor manufactured by Sylvania, listed as 2N6030 (circa 1979).

2N6029 semiconductor manufactured by Sylvania, listed as 2N6029 (circa 1979).

2N6028 semiconductor manufactured by Sylvania, listed as 2N6028 (circa 1979).

2N6027 semiconductor manufactured by Sylvania, listed as 2N6027 (circa 1979).

2N6026 semiconductor manufactured by Sylvania, listed as 2N6026 (circa 1979).

2N6025 semiconductor manufactured by Sylvania, listed as 2N6025 (circa 1979).

2N6024 semiconductor manufactured by Sylvania, listed as 2N6024 (circa 1979).

2N6023 semiconductor manufactured by Sylvania, listed as 2N6023 (circa 1979).

2N6022 semiconductor manufactured by Sylvania, listed as 2N6022 (circa 1979).

2N6021 semiconductor manufactured by Sylvania, listed as 2N6021 (circa 1979).

2N6005 semiconductor manufactured by Sylvania, listed as 2N6005 (circa 1979).

2N6004 semiconductor manufactured by Sylvania, listed as 2N6004 (circa 1979).

2N6003 semiconductor manufactured by Sylvania, listed as 2N6003 (circa 1979).

2N5999 semiconductor manufactured by Sylvania, listed as 2N5999 (circa 1979).

2N5994 semiconductor manufactured by Sylvania, listed as 2N5994 (circa 1979).