2N3086 semiconductor manufactured by Sylvania, listed as 2N3086 (circa 1979).

2N3085 semiconductor manufactured by Sylvania, listed as 2N3085 (circa 1979).

2N3084 semiconductor manufactured by Sylvania, listed as 2N3084 (circa 1979).

2N3083 semiconductor manufactured by Sylvania, listed as 2N3083 (circa 1979).

2N3082 semiconductor manufactured by Sylvania, listed as 2N3082 (circa 1979).

2N3081 semiconductor manufactured by Sylvania, listed as 2N3081 (circa 1979).

2N3078 semiconductor manufactured by Sylvania, listed as 2N3078 (circa 1979).

2N3077 semiconductor manufactured by Sylvania, listed as 2N3077 (circa 1979).

2N3075 semiconductor manufactured by Sylvania, listed as 2N3075 (circa 1979).

2N3074 semiconductor manufactured by Sylvania, listed as 2N3074 (circa 1979).

2N3073 semiconductor manufactured by Sylvania, listed as 2N3073 (circa 1979).

2N3072 semiconductor manufactured by Sylvania, listed as 2N3072 (circa 1979).

2N3071 semiconductor manufactured by Sylvania, listed as 2N3071 (circa 1979).

2N3070 semiconductor manufactured by Sylvania, listed as 2N3070 (circa 1979).

2N3068 semiconductor manufactured by Sylvania, listed as 2N3068 (circa 1979).

2N3067 semiconductor manufactured by Sylvania, listed as 2N3067 (circa 1979).

2N3066 semiconductor manufactured by Sylvania, listed as 2N3066 (circa 1979).

2N3062 semiconductor manufactured by Sylvania, listed as 2N3062 (circa 1979).

2N3060 semiconductor manufactured by Sylvania, listed as 2N3060 (circa 1979).

2N3059 semiconductor manufactured by Sylvania, listed as 2N3059 (circa 1979).