741867 semiconductor manufactured by Sylvania, listed as 741867 (circa 1979).

741866 semiconductor manufactured by Sylvania, listed as 741866 (circa 1979).

741865 semiconductor manufactured by Sylvania, listed as 741865 (circa 1979).

741864 semiconductor manufactured by Sylvania, listed as 741864 (circa 1979).

741863 semiconductor manufactured by Sylvania, listed as 741863 (circa 1979).

741862 semiconductor manufactured by Sylvania, listed as 741862 (circa 1979).

741861 semiconductor manufactured by Sylvania, listed as 741861 (circa 1979).

741860 semiconductor manufactured by Sylvania, listed as 741860 (circa 1979).

741859 semiconductor manufactured by Sylvania, listed as 741859 (circa 1979).

741858 semiconductor manufactured by Sylvania, listed as 741858 (circa 1979).

741857 semiconductor manufactured by Sylvania, listed as 741857 (circa 1979).

741856 semiconductor manufactured by Sylvania, listed as 741856 (circa 1979).

741855 semiconductor manufactured by Sylvania, listed as 741855 (circa 1979).

741854 semiconductor manufactured by Sylvania, listed as 741854 (circa 1979).

741853 semiconductor manufactured by Sylvania, listed as 741853 (circa 1979).

741852 semiconductor manufactured by Sylvania, listed as 741852 (circa 1979).

741806 semiconductor manufactured by Sylvania, listed as 741806 (circa 1979).

741805 semiconductor manufactured by Sylvania, listed as 741805 (circa 1979).

741741 semiconductor manufactured by Sylvania, listed as 741741 (circa 1979).

741740 semiconductor manufactured by Sylvania, listed as 741740 (circa 1979).