. . . "He states that the bracket may be bolted to or suspended from the under side of counters, shelving, or other fixtures,: or it may be fastened against the wall, in which case the roll would project at right angles to the wall, and braces or'shoulderlJ would have: to be provided on the brac.ket Dll hanger: for the purpose of supporting or keeping the spring yoke horizontaljas is. shown in the drawin" .