First Edition. Gill Bibliography 22; Engraving, Physick 727, Mellors P727 . Clothesis dedicated "To Prudence" Pelham , a young and beautiful sculptor/apprentice of Gill's. He found her "stimulating and provocative as well as beautiful" and he was deeply attracted to her. With ten diagrams engraved by the author. Spine faded. viii , 197, 3 pages. cloth, dust jacket.. 8vo..