Dictionarium polygraphicum, or, The whole body of arts regularly digested ..: illustrated with fifty-six copper plates . a5. M I N 103 y<3n would draw, and what you would draw upon : Then plantthe compafs with a large pin run through the foot B. If youwould draw in fmall, you mut place the original at the Hrft^oot C, and the paper or vellum you would draw upon, nearto the foot B, removing it to a greater or Icfs diitance, accordingas you would have your piece greater or fmaller.^ To draw in great from fmall, you need only fliift your copyto the place of your original, putting the former at
Dictionarium polygraphicum, or, The whole body of arts regularly digested ..: illustrated with fifty-six copper plates . a5. M I N 103 y<3n would draw, and what you would draw upon : Then plantthe compafs with a large pin run through the foot B. If youwould draw in fmall, you mut place the original at the Hrft^oot C, and the paper or vellum you would draw upon, nearto the foot B, removing it to a greater or Icfs diitance, accordingas you would have your piece greater or fmaller.^ To draw in great from fmall, you need only fliift your copyto the place of your original, putting the former at C, and theJatter at B ^ and in each cafe you muft put a crayon or a filverpin into the foot over your vellum, and a pin fomewhat bluntedinto the foot over your original, with which you are to ftllow allthe lines, while you bear with your other hand gently upon thepin or crayon on your vellum. If one or the other be well fittedan the foot, you n^ed not bear thereon at all. You may draw alfo of equal fize, but to do that vou muft plantyour compafs in a different manner; it mufl be fixed vvith a pinor axis, run through th
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Keywords: ., book, bookcentury1700, booksubjectarts, booksubjectindustrialarts
