2N3058 semiconductor manufactured by Sylvania, listed as 2N3058 (circa 1979).

2N3055H semiconductor manufactured by Sylvania, listed as 2N3055H (circa 1979).

2N3055A semiconductor manufactured by Sylvania, listed as 2N3055A (circa 1979).

2N3055 semiconductor manufactured by Sylvania, listed as 2N3055 (circa 1979).

2N3054 semiconductor manufactured by Sylvania, listed as 2N3054 (circa 1979).

2N3053 semiconductor manufactured by Sylvania, listed as 2N3053 (circa 1979).

2N3035 semiconductor manufactured by Sylvania, listed as 2N3035 (circa 1979).

2N3032 semiconductor manufactured by Sylvania, listed as 2N3032 (circa 1979).

2N3031 semiconductor manufactured by Sylvania, listed as 2N3031 (circa 1979).

2N3030 semiconductor manufactured by Sylvania, listed as 2N3030 (circa 1979).

2N3029 semiconductor manufactured by Sylvania, listed as 2N3029 (circa 1979).

2N3028 semiconductor manufactured by Sylvania, listed as 2N3028 (circa 1979).

2N3027 semiconductor manufactured by Sylvania, listed as 2N3027 (circa 1979).

2N3020 semiconductor manufactured by Sylvania, listed as 2N3020 (circa 1979).

2N3019 semiconductor manufactured by Sylvania, listed as 2N3019 (circa 1979).

2N3015 semiconductor manufactured by Sylvania, listed as 2N3015 (circa 1979).

2N3014 semiconductor manufactured by Sylvania, listed as 2N3014 (circa 1979).

2N3013 semiconductor manufactured by Sylvania, listed as 2N3013 (circa 1979).

2N3012 semiconductor manufactured by Sylvania, listed as 2N3012 (circa 1979).

2N3011 semiconductor manufactured by Sylvania, listed as 2N3011 (circa 1979).