2N811 semiconductor manufactured by Sylvania, listed as 2N811 (circa 1979).

2N705 semiconductor manufactured by Sylvania, listed as 2N705 (circa 1979).

2N614 semiconductor manufactured by Sylvania, listed as 2N614 (circa 1979).

2N1300 semiconductor manufactured by Sylvania, listed as 2N1300 (circa 1979).

2N1183A semiconductor manufactured by Sylvania, listed as 2N1183A (circa 1979).

2N1091 semiconductor manufactured by Sylvania, listed as 2N1091 (circa 1979).

2N965 semiconductor manufactured by Sylvania, listed as 2N965 (circa 1979).

2N810 semiconductor manufactured by Sylvania, listed as 2N810 (circa 1979).

2N703 semiconductor manufactured by Sylvania, listed as 2N703 (circa 1979).

2N613 semiconductor manufactured by Sylvania, listed as 2N613 (circa 1979).

2N1299 semiconductor manufactured by Sylvania, listed as 2N1299 (circa 1979).

2N1183 semiconductor manufactured by Sylvania, listed as 2N1183 (circa 1979).

2N964A semiconductor manufactured by Sylvania, listed as 2N964A (circa 1979).

2N809 semiconductor manufactured by Sylvania, listed as 2N809 (circa 1979).

2N702 semiconductor manufactured by Sylvania, listed as 2N702 (circa 1979).

2N612 semiconductor manufactured by Sylvania, listed as 2N612 (circa 1979).

2N1297 semiconductor manufactured by Sylvania, listed as 2N1297 (circa 1979).

2N1182 semiconductor manufactured by Sylvania, listed as 2N1182 (circa 1979).

2N1087 semiconductor manufactured by Sylvania, listed as 2N1087 (circa 1979).

2N808 semiconductor manufactured by Sylvania, listed as 2N808 (circa 1979).