2N5127 semiconductor manufactured by Sylvania, listed as 2N5127 (circa 1979).

2N5126 semiconductor manufactured by Sylvania, listed as 2N5126 (circa 1979).

2N5111 semiconductor manufactured by Sylvania, listed as 2N5111 (circa 1979).

2N5110 semiconductor manufactured by Sylvania, listed as 2N5110 (circa 1979).

2N5109 semiconductor manufactured by Sylvania, listed as 2N5109 (circa 1979).

2N5108 semiconductor manufactured by Sylvania, listed as 2N5108 (circa 1979).

2N5107 semiconductor manufactured by Sylvania, listed as 2N5107 (circa 1979).

2N5089 semiconductor manufactured by Sylvania, listed as 2N5089 (circa 1979).

2N5088 semiconductor manufactured by Sylvania, listed as 2N5088 (circa 1979).

2N5087 semiconductor manufactured by Sylvania, listed as 2N5087 (circa 1979).

2N5086 semiconductor manufactured by Sylvania, listed as 2N5086 (circa 1979).

2N5082 semiconductor manufactured by Sylvania, listed as 2N5082 (circa 1979).

2N5081 semiconductor manufactured by Sylvania, listed as 2N5081 (circa 1979).

2N5078 semiconductor manufactured by Sylvania, listed as 2N5078 (circa 1979).

2N5069 semiconductor manufactured by Sylvania, listed as 2N5069 (circa 1979).

2N5068 semiconductor manufactured by Sylvania, listed as 2N5068 (circa 1979).

2N5067 semiconductor manufactured by Sylvania, listed as 2N5067 (circa 1979).

2N5064 semiconductor manufactured by Sylvania, listed as 2N5064 (circa 1979).

2N5063 semiconductor manufactured by Sylvania, listed as 2N5063 (circa 1979).

2N5062 semiconductor manufactured by Sylvania, listed as 2N5062 (circa 1979).