2N917A semiconductor manufactured by Sylvania, listed as 2N917A (circa 1979).

2N761 semiconductor manufactured by Sylvania, listed as 2N761 (circa 1979).

2N677C semiconductor manufactured by Sylvania, listed as 2N677C (circa 1979).

2N576 semiconductor manufactured by Sylvania, listed as 2N576 (circa 1979).

2N1261 semiconductor manufactured by Sylvania, listed as 2N1261 (circa 1979).

2N1147A semiconductor manufactured by Sylvania, listed as 2N1147A (circa 1979).

2N1031 semiconductor manufactured by Sylvania, listed as 2N1031 (circa 1979).

2N917 semiconductor manufactured by Sylvania, listed as 2N917 (circa 1979).

2N760B semiconductor manufactured by Sylvania, listed as 2N760B (circa 1979).

2N677B semiconductor manufactured by Sylvania, listed as 2N677B (circa 1979).

2N575A semiconductor manufactured by Sylvania, listed as 2N575A (circa 1979).

2N1259 semiconductor manufactured by Sylvania, listed as 2N1259 (circa 1979).

2N1147 semiconductor manufactured by Sylvania, listed as 2N1147 (circa 1979).

2N1030C semiconductor manufactured by Sylvania, listed as 2N1030C (circa 1979).

2N916A semiconductor manufactured by Sylvania, listed as 2N916A (circa 1979).

2N760A semiconductor manufactured by Sylvania, listed as 2N760A (circa 1979).

2N677A semiconductor manufactured by Sylvania, listed as 2N677A (circa 1979).

2N575 semiconductor manufactured by Sylvania, listed as 2N575 (circa 1979).

2N1258 semiconductor manufactured by Sylvania, listed as 2N1258 (circa 1979).

2N1146C semiconductor manufactured by Sylvania, listed as 2N1146C (circa 1979).