The mysteries of nature and art in four severall parts. The first of water-works. The second of fier-works. The third of drawing, colouring, limming, paynting, graving, and etching. The fourth of experiments (1654)
Bate, John · London : R. Bishop for A. Crook · leaf 195
Gr" AVI N c: I*l the Graver refteth againfl: the ball of the thumb, and the point is guided with the fore-finger. And there ought to Be a little bag of fand under your plate, to the end that you might turn your plate upon it, as your work doth require. The fecond fort is a fhort Graver, and turncth… … mftrumenc: this muff be held likewife according unto the eif~ predion of the figure foregoing; where it is to be noted, that the pummel of the Graver is Paid againft the farther part of the hand, and is guided by the inner fide of the thumb. It were needfull that there were a piece of Leather like…
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