2N707 semiconductor manufactured by Sylvania, listed as 2N707 (circa 1979).

2N622 semiconductor manufactured by Sylvania, listed as 2N622 (circa 1979).

2N1307 semiconductor manufactured by Sylvania, listed as 2N1307 (circa 1979).

2N1186 semiconductor manufactured by Sylvania, listed as 2N1186 (circa 1979).

2N1097 semiconductor manufactured by Sylvania, listed as 2N1097 (circa 1979).

2N971 semiconductor manufactured by Sylvania, listed as 2N971 (circa 1979).

2N816 semiconductor manufactured by Sylvania, listed as 2N816 (circa 1979).

2N706C semiconductor manufactured by Sylvania, listed as 2N706C (circa 1979).

2N621 semiconductor manufactured by Sylvania, listed as 2N621 (circa 1979).

2N1306 semiconductor manufactured by Sylvania, listed as 2N1306 (circa 1979).

2N1185 semiconductor manufactured by Sylvania, listed as 2N1185 (circa 1979).

2N1096 semiconductor manufactured by Sylvania, listed as 2N1096 (circa 1979).

2N970 semiconductor manufactured by Sylvania, listed as 2N970 (circa 1979).

2N815 semiconductor manufactured by Sylvania, listed as 2N815 (circa 1979).

2N706B semiconductor manufactured by Sylvania, listed as 2N706B (circa 1979).

2N620 semiconductor manufactured by Sylvania, listed as 2N620 (circa 1979).

2N1305 semiconductor manufactured by Sylvania, listed as 2N1305 (circa 1979).

2N1184B semiconductor manufactured by Sylvania, listed as 2N1184B (circa 1979).

2N1095 semiconductor manufactured by Sylvania, listed as 2N1095 (circa 1979).

2N969 semiconductor manufactured by Sylvania, listed as 2N969 (circa 1979).