International studio . here the dust-boxes are,for laying the aquatint ground, and herewe shall learn one or two very important182 matters. In the first place, although there is nodoubt that a spirit ground, such as the old Englishaquatinters used, produces by far the mostbeautiful , the uncertainties of the Londonatmosphere make it exceedingly difficult to air must be dry, warm, and clear; damp anddust being fatal to spirit grounds that can be reliedupon for evenness of tones required. Therefore, atpresent the dust ground, which, by the way, the oldFrench aquatinters chiefl
International studio . here the dust-boxes are,for laying the aquatint ground, and herewe shall learn one or two very important182 matters. In the first place, although there is nodoubt that a spirit ground, such as the old Englishaquatinters used, produces by far the mostbeautiful , the uncertainties of the Londonatmosphere make it exceedingly difficult to air must be dry, warm, and clear; damp anddust being fatal to spirit grounds that can be reliedupon for evenness of tones required. Therefore, atpresent the dust ground, which, by the way, the oldFrench aquatinters chiefly used, is that generallyemployed at the School of Colour-Printing. Andhere there are differences in producing the ground,resulting from experience. When a rich, deepground is required, powdered asphaltum is used, asbeing less likely to crumble away from the action ofthe acid. For a lighter ground, however, powderedresin is preferred, since it produces a ground whichis more easily fixed. Less heat is required for .SARDINE BOATS BY C. I. HOBSON
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