IN order to remove the defects incidental to photographic pictures, a process of “touching up” has to be resorted to, and the present pamphlet of 80 pages in length offers instructions in this subject, which will be found of use by practical photographers. The amount of valuable information compressed within the compass of the little work before us is quite remarkable, and shows that the author is thoroughly familiar with this branch of his art. We can commend the book to photographic artists.
Die photographische Retouche in ihrem ganzen Umfange.
By Wilh. Kopske. (Berlin: Robert Oppenheim. 1890.)