2N301W semiconductor manufactured by Sylvania, listed as 2N301W (circa 1979).

2N212 semiconductor manufactured by Sylvania, listed as 2N212 (circa 1979).

2N132A semiconductor manufactured by Sylvania, listed as 2N132A (circa 1979).

2N565 semiconductor manufactured by Sylvania, listed as 2N565 (circa 1979).

2N480 semiconductor manufactured by Sylvania, listed as 2N480 (circa 1979).

2N394A semiconductor manufactured by Sylvania, listed as 2N394A (circa 1979).

2N301B semiconductor manufactured by Sylvania, listed as 2N301B (circa 1979).

2N211 semiconductor manufactured by Sylvania, listed as 2N211 (circa 1979).

2N132 semiconductor manufactured by Sylvania, listed as 2N132 (circa 1979).

2N564 semiconductor manufactured by Sylvania, listed as 2N564 (circa 1979).

2N479A semiconductor manufactured by Sylvania, listed as 2N479A (circa 1979).

2N394 semiconductor manufactured by Sylvania, listed as 2N394 (circa 1979).

2N301A semiconductor manufactured by Sylvania, listed as 2N301A (circa 1979).

2N131A semiconductor manufactured by Sylvania, listed as 2N131A (circa 1979).

2N563 semiconductor manufactured by Sylvania, listed as 2N563 (circa 1979).

2N479 semiconductor manufactured by Sylvania, listed as 2N479 (circa 1979).

2N393 semiconductor manufactured by Sylvania, listed as 2N393 (circa 1979).

2N301 semiconductor manufactured by Sylvania, listed as 2N301 (circa 1979).

2N207B semiconductor manufactured by Sylvania, listed as 2N207B (circa 1979).

2N131 semiconductor manufactured by Sylvania, listed as 2N131 (circa 1979).