2N365 semiconductor manufactured by Sylvania, listed as 2N365 (circa 1979).

2N107 semiconductor manufactured by Sylvania, listed as 2N107 (circa 1979).

2N534 semiconductor manufactured by Sylvania, listed as 2N534 (circa 1979).

2N448 semiconductor manufactured by Sylvania, listed as 2N448 (circa 1979).

2N364 semiconductor manufactured by Sylvania, listed as 2N364 (circa 1979).

2N270 semiconductor manufactured by Sylvania, listed as 2N270 (circa 1979).

2N106 semiconductor manufactured by Sylvania, listed as 2N106 (circa 1979).

2N533 semiconductor manufactured by Sylvania, listed as 2N533 (circa 1979).

2N447B semiconductor manufactured by Sylvania, listed as 2N447B (circa 1979).

2N363 semiconductor manufactured by Sylvania, listed as 2N363 (circa 1979).

2N269 semiconductor manufactured by Sylvania, listed as 2N269 (circa 1979).

2N105 semiconductor manufactured by Sylvania, listed as 2N105 (circa 1979).

2N532 semiconductor manufactured by Sylvania, listed as 2N532 (circa 1979).

2N447A semiconductor manufactured by Sylvania, listed as 2N447A (circa 1979).

2N362B semiconductor manufactured by Sylvania, listed as 2N362B (circa 1979).

2N268A semiconductor manufactured by Sylvania, listed as 2N268A (circa 1979).

2N104 semiconductor manufactured by Sylvania, listed as 2N104 (circa 1979).

2N531 semiconductor manufactured by Sylvania, listed as 2N531 (circa 1979).

2N447 semiconductor manufactured by Sylvania, listed as 2N447 (circa 1979).

2N362 semiconductor manufactured by Sylvania, listed as 2N362 (circa 1979).