. The book of photography; practical, theoretical and applied. susual to allow it to stand aside for amonth oi- so before varnishing. Eithercopal or mastic varnish may be used forthe purpose. The former being mvichharder, is a more durable varnish ; but thelatter is very commonly used, as it driesmore easily, and may be removed ifnecessary without so much trouble. Thelonger the painting can remain beforevarnishing the better; but in any case,this must not be attempted until the paintis perfectly dry. A large flat hog-hair When he has acquired the necessary skillin these, he may please himself
. The book of photography; practical, theoretical and applied. susual to allow it to stand aside for amonth oi- so before varnishing. Eithercopal or mastic varnish may be used forthe purpose. The former being mvichharder, is a more durable varnish ; but thelatter is very commonly used, as it driesmore easily, and may be removed ifnecessary without so much trouble. Thelonger the painting can remain beforevarnishing the better; but in any case,this must not be attempted until the paintis perfectly dry. A large flat hog-hair When he has acquired the necessary skillin these, he may please himself whatdodges he will adopt with a view to saving,time or reducing the cost of his work. Colouring Lantern Slides. This operation somewhat resembles re-touching in general treatment, inasmuchas it is a question of transparency, andmust therefore be done on a support,,through which the light may be ordinary retouching desk is all that isrequired, and the remaining apparatusconsists merely of a few brushes, a tubeof megilp, and the necessary colours,. Fig. 482.—Hog-hair Varnishing Bkdsh. brush, of the shape shown by Fig. 482,should be used to apply the varnish, andcare should be taken to get a smooth, evencoating, free from lines or streaks. Manyworkers, however, prefer to leave the pic-ture unvarnished. Dodges. Besides the plan already referred to ofapplying transparent colours, there areother dodges for producing imitation oilpaintings. For example, it is possibleto rub in the face in pastel, and to paintthe background fairly solid with oil, andthe lighter and sketchy parts with watercolours, using the three mediums all onthe one picture. The powder is then fixedby carefully steaming over a kettle untilit sinks into and becomes part of the filmbelow it. The picture may then bevarnished, and to uneducated eyes it willlook very like a genuine oil work is, however, only trickery,and it is much better for the student tokeep to methods of legitimate paintin
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
