1N5882B semiconductor manufactured by Sylvania, listed as 1N5882B (circa 1979).

1N5729 semiconductor manufactured by Sylvania, listed as 1N5729 (circa 1979).

1N5567A semiconductor manufactured by Sylvania, listed as 1N5567A (circa 1979).

1N5468A semiconductor manufactured by Sylvania, listed as 1N5468A (circa 1979).

1N6366B semiconductor manufactured by Sylvania, listed as 1N6366B (circa 1979).

1N5279A semiconductor manufactured by Sylvania, listed as 1N5279A (circa 1979).

1N5240B semiconductor manufactured by Sylvania, listed as 1N5240B (circa 1979).

1N5881B semiconductor manufactured by Sylvania, listed as 1N5881B (circa 1979).

1N5728B semiconductor manufactured by Sylvania, listed as 1N5728B (circa 1979).

1N5567 semiconductor manufactured by Sylvania, listed as 1N5567 (circa 1979).

1N5468 semiconductor manufactured by Sylvania, listed as 1N5468 (circa 1979).

1N5366A semiconductor manufactured by Sylvania, listed as 1N5366A (circa 1979).

1N5279 semiconductor manufactured by Sylvania, listed as 1N5279 (circa 1979).

1N5240A semiconductor manufactured by Sylvania, listed as 1N5240A (circa 1979).

1N5880B semiconductor manufactured by Sylvania, listed as 1N5880B (circa 1979).

1N5728 semiconductor manufactured by Sylvania, listed as 1N5728 (circa 1979).

1N5566B semiconductor manufactured by Sylvania, listed as 1N5566B (circa 1979).

1N5464A semiconductor manufactured by Sylvania, listed as 1N5464A (circa 1979).

1N5366 semiconductor manufactured by Sylvania, listed as 1N5366 (circa 1979).

1N5278B semiconductor manufactured by Sylvania, listed as 1N5278B (circa 1979).