2N3129 semiconductor manufactured by Sylvania, listed as 2N3129 (circa 1979).

2N3128 semiconductor manufactured by Sylvania, listed as 2N3128 (circa 1979).

2N3127 semiconductor manufactured by Sylvania, listed as 2N3127 (circa 1979).

2N3125 semiconductor manufactured by Sylvania, listed as 2N3125 (circa 1979).

2N3122 semiconductor manufactured by Sylvania, listed as 2N3122 (circa 1979).

2N3121 semiconductor manufactured by Sylvania, listed as 2N3121 (circa 1979).

2N3120 semiconductor manufactured by Sylvania, listed as 2N3120 (circa 1979).

2N3117 semiconductor manufactured by Sylvania, listed as 2N3117 (circa 1979).

2N3116 semiconductor manufactured by Sylvania, listed as 2N3116 (circa 1979).

2N3115 semiconductor manufactured by Sylvania, listed as 2N3115 (circa 1979).

2N3114 semiconductor manufactured by Sylvania, listed as 2N3114 (circa 1979).

2N3110 semiconductor manufactured by Sylvania, listed as 2N3110 (circa 1979).

2N3109 semiconductor manufactured by Sylvania, listed as 2N3109 (circa 1979).

2N3108 semiconductor manufactured by Sylvania, listed as 2N3108 (circa 1979).

2N3107 semiconductor manufactured by Sylvania, listed as 2N3107 (circa 1979).

2N3089A semiconductor manufactured by Sylvania, listed as 2N3089A (circa 1979).

2N3089 semiconductor manufactured by Sylvania, listed as 2N3089 (circa 1979).

2N3088A semiconductor manufactured by Sylvania, listed as 2N3088A (circa 1979).

2N3088 semiconductor manufactured by Sylvania, listed as 2N3088 (circa 1979).

2N3087 semiconductor manufactured by Sylvania, listed as 2N3087 (circa 1979).