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Dictionarium polygraphicum, or, The whole body of arts regularly digested ..: illustrated with fifty-six copper plates . e will take the pa-per, and appear thereon, which you may calk as before. Bemindful to clean the pidture with the crumb of bread before thelake dries. Aifo, to the fame end, ufe coal-duft, contained in a piece offine linen, wherewith pounce the piece you would copy, havingfirft pricked the principal ftrokes of it, and fattened a piece ofvellum or paper to the wrong fide of it. Bur, for one who has no hand at drawing, there is a morefare and eafy way than any before-mentioned
Dictionarium polygraphicum, or, The whole body of arts regularly digested ..: illustrated with fifty-six copper plates . e will take the pa-per, and appear thereon, which you may calk as before. Bemindful to clean the pidture with the crumb of bread before thelake dries. Aifo, to the fame end, ufe coal-duft, contained in a piece offine linen, wherewith pounce the piece you would copy, havingfirft pricked the principal ftrokes of it, and fattened a piece ofvellum or paper to the wrong fide of it. Bur, for one who has no hand at drawing, there is a morefare and eafy way than any before-mentioned, by the help of amathematical inftrument, or compafs, as it is fometimes called,which is commonly compofed of ten pieces of wr>od like rulers,about the fixth of an inch thick, and half an inch broad ; as fortheir length, it may be a foot, niDre or K fs, according to the fizeof the piece you would copy. But, that you may not miftake,here follows a reprefentation of it. See plate VII, fig. I. The board A muft b^ deal, covered with a cloth of fomefort or other, for the moie convenient faftening of the piece ^ A. F^,8.
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Keywords: ., book, bookcentury1700, booksubjectarts, booksubjectindustrialarts