No. LXXI.
Reading edition
A key, perfectly square, with a screw turning within it, and more conceited than either of the rest, and no heavier than the triangle screwed key, and doth the same effects.
Reading edition
A key, perfectly square, with a screw turning within it, and more conceited than either of the rest, and no heavier than the triangle screwed key, and doth the same effects.