His sister’s son, when not twelve years were pass’d, Was, with his uncle, as a scholar placed; The unsuspecting mother saw his parts And genius fitted for the finest arts. This soon appear’d; for when the spiny bone In fishes’ backs was by the stripling known, A rare invention thence he learn’d to draw, Filed teeth in iron, and made the grating saw. He was the first, that from a knob of brass Made two straight arms with widening stretch to pass; That, while one stood upon the centre’s place, The other round it drew a circling space. Daedalus envied this, and from the top Of fair Minerva’s temple let him drop; Feigning, that, as he lean’d upon the tower, Careless he stoop’d too much, and tumbled o’er.