about one-half ounce of fixing salt to one quart of water. For a small number of Vandyke Prints it will be more convenientto apply the fixing solution with a brush or sponge. After the fixing isolution has been applied, wash the print again in water and then hang it up to dry. The simplest method… … Fig. 1. The above cutillustrates anew and nsefnl device, which fillsa want long felt by architects, engineers, draughtsmen, tailors,and all those using paper in the form of a roll. It is alsoequally convenient in handling Marline. Hitherto, no con-venient niethod has been devised, and it has been…