2N3716 semiconductor manufactured by Sylvania, listed as 2N3716 (circa 1979).

2N3715 semiconductor manufactured by Sylvania, listed as 2N3715 (circa 1979).

2N3714 semiconductor manufactured by Sylvania, listed as 2N3714 (circa 1979).

2N3713 semiconductor manufactured by Sylvania, listed as 2N3713 (circa 1979).

2N3712 semiconductor manufactured by Sylvania, listed as 2N3712 (circa 1979).

2N3711 semiconductor manufactured by Sylvania, listed as 2N3711 (circa 1979).

2N3710 semiconductor manufactured by Sylvania, listed as 2N3710 (circa 1979).

2N3709 semiconductor manufactured by Sylvania, listed as 2N3709 (circa 1979).

2N3708 semiconductor manufactured by Sylvania, listed as 2N3708 (circa 1979).

2N3707 semiconductor manufactured by Sylvania, listed as 2N3707 (circa 1979).

2N3706 semiconductor manufactured by Sylvania, listed as 2N3706 (circa 1979).

2N3705 semiconductor manufactured by Sylvania, listed as 2N3705 (circa 1979).

2N3704 semiconductor manufactured by Sylvania, listed as 2N3704 (circa 1979).

2N3703 semiconductor manufactured by Sylvania, listed as 2N3703 (circa 1979).

2N3702 semiconductor manufactured by Sylvania, listed as 2N3702 (circa 1979).

2N3701 semiconductor manufactured by Sylvania, listed as 2N3701 (circa 1979).

2N3700 semiconductor manufactured by Sylvania, listed as 2N3700 (circa 1979).

2N3694 semiconductor manufactured by Sylvania, listed as 2N3694 (circa 1979).

2N3693 semiconductor manufactured by Sylvania, listed as 2N3693 (circa 1979).

2N3692 semiconductor manufactured by Sylvania, listed as 2N3692 (circa 1979).