2N942 semiconductor manufactured by Sylvania, listed as 2N942 (circa 1979).

2N792 semiconductor manufactured by Sylvania, listed as 2N792 (circa 1979).

2N692 semiconductor manufactured by Sylvania, listed as 2N692 (circa 1979).

2N598 semiconductor manufactured by Sylvania, listed as 2N598 (circa 1979).

2N1278 semiconductor manufactured by Sylvania, listed as 2N1278 (circa 1979).

2N1169 semiconductor manufactured by Sylvania, listed as 2N1169 (circa 1979).

2N1056 semiconductor manufactured by Sylvania, listed as 2N1056 (circa 1979).

2N941 semiconductor manufactured by Sylvania, listed as 2N941 (circa 1979).

2N791 semiconductor manufactured by Sylvania, listed as 2N791 (circa 1979).

2N691 semiconductor manufactured by Sylvania, listed as 2N691 (circa 1979).

2N597 semiconductor manufactured by Sylvania, listed as 2N597 (circa 1979).

2N1277 semiconductor manufactured by Sylvania, listed as 2N1277 (circa 1979).

2N1168 semiconductor manufactured by Sylvania, listed as 2N1168 (circa 1979).

2N1054 semiconductor manufactured by Sylvania, listed as 2N1054 (circa 1979).

2N940 semiconductor manufactured by Sylvania, listed as 2N940 (circa 1979).

2N790 semiconductor manufactured by Sylvania, listed as 2N790 (circa 1979).

2N690 semiconductor manufactured by Sylvania, listed as 2N690 (circa 1979).

2N596 semiconductor manufactured by Sylvania, listed as 2N596 (circa 1979).

2N1276 semiconductor manufactured by Sylvania, listed as 2N1276 (circa 1979).

2N1166A semiconductor manufactured by Sylvania, listed as 2N1166A (circa 1979).