2N1416 semiconductor manufactured by Sylvania, listed as 2N1416 (circa 1979).

2N1415 semiconductor manufactured by Sylvania, listed as 2N1415 (circa 1979).

2N1414 semiconductor manufactured by Sylvania, listed as 2N1414 (circa 1979).

2N1413 semiconductor manufactured by Sylvania, listed as 2N1413 (circa 1979).

2N1412 semiconductor manufactured by Sylvania, listed as 2N1412 (circa 1979).

2N1411 semiconductor manufactured by Sylvania, listed as 2N1411 (circa 1979).

2N1410 semiconductor manufactured by Sylvania, listed as 2N1410 (circa 1979).

2N1409 semiconductor manufactured by Sylvania, listed as 2N1409 (circa 1979).

2N1408 semiconductor manufactured by Sylvania, listed as 2N1408 (circa 1979).

2N1407 semiconductor manufactured by Sylvania, listed as 2N1407 (circa 1979).

2N1406 semiconductor manufactured by Sylvania, listed as 2N1406 (circa 1979).

2N1405 semiconductor manufactured by Sylvania, listed as 2N1405 (circa 1979).

2N1404A semiconductor manufactured by Sylvania, listed as 2N1404A (circa 1979).

2N1404 semiconductor manufactured by Sylvania, listed as 2N1404 (circa 1979).

2N1403 semiconductor manufactured by Sylvania, listed as 2N1403 (circa 1979).

2N1402 semiconductor manufactured by Sylvania, listed as 2N1402 (circa 1979).

2N1401A semiconductor manufactured by Sylvania, listed as 2N1401A (circa 1979).

2N1401 semiconductor manufactured by Sylvania, listed as 2N1401 (circa 1979).

2N1400 semiconductor manufactured by Sylvania, listed as 2N1400 (circa 1979).

2N1399 semiconductor manufactured by Sylvania, listed as 2N1399 (circa 1979).