2N709A semiconductor manufactured by Sylvania, listed as 2N709A (circa 1979).

2N629 semiconductor manufactured by Sylvania, listed as 2N629 (circa 1979).

2N1312 semiconductor manufactured by Sylvania, listed as 2N1312 (circa 1979).

2N1192 semiconductor manufactured by Sylvania, listed as 2N1192 (circa 1979).

2N977 semiconductor manufactured by Sylvania, listed as 2N977 (circa 1979).

2N822 semiconductor manufactured by Sylvania, listed as 2N822 (circa 1979).

2N628 semiconductor manufactured by Sylvania, listed as 2N628 (circa 1979).

2N1311 semiconductor manufactured by Sylvania, listed as 2N1311 (circa 1979).

2N1191 semiconductor manufactured by Sylvania, listed as 2N1191 (circa 1979).

2N1102 semiconductor manufactured by Sylvania, listed as 2N1102 (circa 1979).

2N976 semiconductor manufactured by Sylvania, listed as 2N976 (circa 1979).

2N821 semiconductor manufactured by Sylvania, listed as 2N821 (circa 1979).

2N709 semiconductor manufactured by Sylvania, listed as 2N709 (circa 1979).

2N627 semiconductor manufactured by Sylvania, listed as 2N627 (circa 1979).

2N1310 semiconductor manufactured by Sylvania, listed as 2N1310 (circa 1979).

2N1190 semiconductor manufactured by Sylvania, listed as 2N1190 (circa 1979).

2N1101 semiconductor manufactured by Sylvania, listed as 2N1101 (circa 1979).

2N975 semiconductor manufactured by Sylvania, listed as 2N975 (circa 1979).

2N820 semiconductor manufactured by Sylvania, listed as 2N820 (circa 1979).

2N708A semiconductor manufactured by Sylvania, listed as 2N708A (circa 1979).