Ivorytype Or Mezzotint

For Mounting the Photograph.—Isin-glass (fish glue) made in the following proportion: One toaspoonful to half cup of water, dissolved by boiling; strain through fine muslin, and apply the same as starch. Pure Albumen, or white of egg, brushed over the glass and surface of the photograph, is used with great succcss by some. Equal parts Canada balsam and turpentine is also used for attaching the print to the glass. Rubber varnish, made with pure rubber, dissolved in benzole. Some add a little Cooper's glue to the starch when making it. Dextrine is a favorite with many.

After the use of the castor oil, castor oil and glycerine, poppy oil, nut, or any of the oils, the print may be covered with a coating of Damar varnish, which it is claimed holds the oil and preserves the transparency. Many artists after oiling or varnishing, use water colors mixed with ox-gall in color'ng on the back of the print, then follow with the oil colors as directed. In adopting any of the methods herein noted, your judgment will dictate care in observ ing the results, and suggesting changes that may facilitate the work, and success of the picture. Yon will find this art very attractive, simple, and productive of both pleasure and profit. Ladies are occupying leisure hours, and the oil photo miniature.

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