2N6068 semiconductor manufactured by Sylvania, listed as 2N6068 (circa 1979).

2N6059 semiconductor manufactured by Sylvania, listed as 2N6059 (circa 1979).

2N6058 semiconductor manufactured by Sylvania, listed as 2N6058 (circa 1979).

2N6057 semiconductor manufactured by Sylvania, listed as 2N6057 (circa 1979).

2N6056 semiconductor manufactured by Sylvania, listed as 2N6056 (circa 1979).

2N6055 semiconductor manufactured by Sylvania, listed as 2N6055 (circa 1979).

2N6054 semiconductor manufactured by Sylvania, listed as 2N6054 (circa 1979).

2N6053 semiconductor manufactured by Sylvania, listed as 2N6053 (circa 1979).

2N6052 semiconductor manufactured by Sylvania, listed as 2N6052 (circa 1979).

2N6051 semiconductor manufactured by Sylvania, listed as 2N6051 (circa 1979).

2N6050 semiconductor manufactured by Sylvania, listed as 2N6050 (circa 1979).

2N6049 semiconductor manufactured by Sylvania, listed as 2N6049 (circa 1979).

2N6045 semiconductor manufactured by Sylvania, listed as 2N6045 (circa 1979).

2N6044 semiconductor manufactured by Sylvania, listed as 2N6044 (circa 1979).

2N6043 semiconductor manufactured by Sylvania, listed as 2N6043 (circa 1979).

2N6042 semiconductor manufactured by Sylvania, listed as 2N6042 (circa 1979).

2N6041 semiconductor manufactured by Sylvania, listed as 2N6041 (circa 1979).

2N6040 semiconductor manufactured by Sylvania, listed as 2N6040 (circa 1979).

2N6039 semiconductor manufactured by Sylvania, listed as 2N6039 (circa 1979).

2N6038 semiconductor manufactured by Sylvania, listed as 2N6038 (circa 1979).