The American annual of photography . BECALMED. HARRY D. WILLIAR. 177 to that obtained by the use of glass plates, cameras, filters,etc. Vaseline can be used for making the negatives transparent,but must be carefully wiped off the outside before any print-ing is done as the grease prevents the developer from work-ing, if it should get on the prints. A yellow glass may be used in the printer to help give con-trast in letters in pale blue ink on heavy linen stock, but isnot necessary in most cases. Cuts, lithographs or music can be copied in the same man-ner if it is only printed on one side, and
The American annual of photography . BECALMED. HARRY D. WILLIAR. 177 to that obtained by the use of glass plates, cameras, filters,etc. Vaseline can be used for making the negatives transparent,but must be carefully wiped off the outside before any print-ing is done as the grease prevents the developer from work-ing, if it should get on the prints. A yellow glass may be used in the printer to help give con-trast in letters in pale blue ink on heavy linen stock, but isnot necessary in most cases. Cuts, lithographs or music can be copied in the same man-ner if it is only printed on one side, and enlargements or re-ductions can be made with the camera, substituting bromidepaper for the plate, and then proceeding as above with theprinting. The cheapness of this process enables the photogra-pher to do things in this line at a profit which could not bedone by the use of THE MILL STREAM ERNST MOELIKK. 178
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorktennantandw
