Identifier: dictionariumpoly00barr (find matches)
Title: Dictionarium polygraphicum, or, The whole body of arts regularly digested ... : illustrated with fifty-six copper plates
Year: 1758 (1750s)
Authors: Barrow, John, teacher of mathematics Toms, W. H. (William Henry), ca. 1700-ca. 1750 Devoto, John, fl. 1719-1752 Hitch, Charles, d. 1764 Hawes, Lacy
Subjects: Arts Industrial arts
Publisher: London : Printed for C. Hitch and L. Hawes, in Pater-noster-Row : J. Hinton, in Newgate-Street : and L. Davis and C. Reymers, against Gray's Inn
Contributing Library: Getty Research Institute
Digitizing Sponsor: Sloan Foundation

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k lead ; onlyyou muft take care that, while you are working on one part, youdo not fufler that which is already done with fize to grow fodry that it will not hold the metals; and for that reafon youmuft often try what cafe thofe parts of your work that are al-leady fized are in. 17. And therefore you mufl fometimcs be drawing, fomc-times gilding ; and then go to drawing again, and then to gild-ing, continuing this alternately till your v.hole work is quitefinifhed. 18. If you find it troublefome to draw the white and over-pafs the black, or, on the contrary, to draw the black and omitthe white, on the tops of houfes, foidage of figures, faces, or thelike ; then for your eafe overlay all thofe parts of buildings, fold-ages, faces, Sec. with gold fize, and lay the metals on them;and, when they are well dried, wafh over thofe places only whichyou defign to fet off with black, with your fecuring varnifh. 19. Thou2,hj in fome Japan woik, filver is fometimes made ule «» r^/. ii. jp/g/^ 11
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y iimj^ /iu//u. JAP- ,3 ufe of, yet It Is but very fcldom, except in fome ralfcd works,becaufe the beft and brighteft filver is too fplendid a metal forblack Japan ; and therefore we chufe, inftead of that, a kind ofdull or dirty filver, which is tin powder. 20. And, laftly, you may fet off your plain metals, when rub-bed on gold fize, cither with metals mixed with gum water orgold fize, viz. when the plain metals are laid, and thoroucrhlydry, hatch or work in the fize for fetting off, as you would dowith metals mixed with gum water; and it is not to be doubtedyou would find the gold to be the beft. Japakning wit/j gold and cohurs. i. Draw or trace outyour defign, and nil moft part of your fmall works with gold,paffing by, neverthelefs, fome few of them, which are to be rc-ierved for bright copper, green, gold, &c. to be fo added to thepieces that they may grace and enliven the work. It is ufual with japanners to fill frequently with dead metals,and to bind them in with geld. 2. S

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