2N1132A semiconductor manufactured by Sylvania, listed as 2N1132A (circa 1979).

2N1010 semiconductor manufactured by Sylvania, listed as 2N1010 (circa 1979).

2N864A semiconductor manufactured by Sylvania, listed as 2N864A (circa 1979).

2N742A semiconductor manufactured by Sylvania, listed as 2N742A (circa 1979).

2N1364 semiconductor manufactured by Sylvania, listed as 2N1364 (circa 1979).

2N1009 semiconductor manufactured by Sylvania, listed as 2N1009 (circa 1979).

2N864 semiconductor manufactured by Sylvania, listed as 2N864 (circa 1979).

2N742 semiconductor manufactured by Sylvania, listed as 2N742 (circa 1979).

2N649 semiconductor manufactured by Sylvania, listed as 2N649 (circa 1979).

2N1363 semiconductor manufactured by Sylvania, listed as 2N1363 (circa 1979).

2N1132 semiconductor manufactured by Sylvania, listed as 2N1132 (circa 1979).

2N1008B semiconductor manufactured by Sylvania, listed as 2N1008B (circa 1979).

2N863 semiconductor manufactured by Sylvania, listed as 2N863 (circa 1979).

2N741A semiconductor manufactured by Sylvania, listed as 2N741A (circa 1979).

2N648 semiconductor manufactured by Sylvania, listed as 2N648 (circa 1979).

2N1362 semiconductor manufactured by Sylvania, listed as 2N1362 (circa 1979).

2N1131A semiconductor manufactured by Sylvania, listed as 2N1131A (circa 1979).

2N1008A semiconductor manufactured by Sylvania, listed as 2N1008A (circa 1979).

2N862 semiconductor manufactured by Sylvania, listed as 2N862 (circa 1979).

2N741 semiconductor manufactured by Sylvania, listed as 2N741 (circa 1979).