2N605 semiconductor manufactured by Sylvania, listed as 2N605 (circa 1979).

2N1288 semiconductor manufactured by Sylvania, listed as 2N1288 (circa 1979).

2N1176 semiconductor manufactured by Sylvania, listed as 2N1176 (circa 1979).

2N1073 semiconductor manufactured by Sylvania, listed as 2N1073 (circa 1979).

2N957 semiconductor manufactured by Sylvania, listed as 2N957 (circa 1979).

2N801 semiconductor manufactured by Sylvania, listed as 2N801 (circa 1979).

2N699A semiconductor manufactured by Sylvania, listed as 2N699A (circa 1979).

2N604A semiconductor manufactured by Sylvania, listed as 2N604A (circa 1979).

2N1287A semiconductor manufactured by Sylvania, listed as 2N1287A (circa 1979).

2N1175A semiconductor manufactured by Sylvania, listed as 2N1175A (circa 1979).

2N1070 semiconductor manufactured by Sylvania, listed as 2N1070 (circa 1979).

2N955A semiconductor manufactured by Sylvania, listed as 2N955A (circa 1979).

2N800 semiconductor manufactured by Sylvania, listed as 2N800 (circa 1979).

2N697S semiconductor manufactured by Sylvania, listed as 2N697S (circa 1979).

2N604 semiconductor manufactured by Sylvania, listed as 2N604 (circa 1979).

2N1287 semiconductor manufactured by Sylvania, listed as 2N1287 (circa 1979).

2N1175 semiconductor manufactured by Sylvania, listed as 2N1175 (circa 1979).

2N1069 semiconductor manufactured by Sylvania, listed as 2N1069 (circa 1979).

2N955 semiconductor manufactured by Sylvania, listed as 2N955 (circa 1979).

2N799 semiconductor manufactured by Sylvania, listed as 2N799 (circa 1979).