2N682A semiconductor manufactured by Sylvania, listed as 2N682A (circa 1979).

2N585 semiconductor manufactured by Sylvania, listed as 2N585 (circa 1979).

2N1157A semiconductor manufactured by Sylvania, listed as 2N1157A (circa 1979).

2N1034 semiconductor manufactured by Sylvania, listed as 2N1034 (circa 1979).

2N925 semiconductor manufactured by Sylvania, listed as 2N925 (circa 1979).

2N774 semiconductor manufactured by Sylvania, listed as 2N774 (circa 1979).

2N682 semiconductor manufactured by Sylvania, listed as 2N682 (circa 1979).

2N584 semiconductor manufactured by Sylvania, listed as 2N584 (circa 1979).

2N1273 semiconductor manufactured by Sylvania, listed as 2N1273 (circa 1979).

2N1157 semiconductor manufactured by Sylvania, listed as 2N1157 (circa 1979).

2N1033 semiconductor manufactured by Sylvania, listed as 2N1033 (circa 1979).

2N924 semiconductor manufactured by Sylvania, listed as 2N924 (circa 1979).

2N773 semiconductor manufactured by Sylvania, listed as 2N773 (circa 1979).

2N681 semiconductor manufactured by Sylvania, listed as 2N681 (circa 1979).

2N583 semiconductor manufactured by Sylvania, listed as 2N583 (circa 1979).

2N1267 semiconductor manufactured by Sylvania, listed as 2N1267 (circa 1979).

2N1153 semiconductor manufactured by Sylvania, listed as 2N1153 (circa 1979).

2N1032C semiconductor manufactured by Sylvania, listed as 2N1032C (circa 1979).

2N923 semiconductor manufactured by Sylvania, listed as 2N923 (circa 1979).

2N772 semiconductor manufactured by Sylvania, listed as 2N772 (circa 1979).