Brief General Instruction

22. Necessary Material

Necessary Material. The following material is necessary for toning glossy prints:

Four trays of good size. If many prints are to be toned, the trays should not be smaller than 14x17 inches. This size is sufficiently large for prints up to and including 8x10. The trays should be at least 2 1/2 to 3 inches deep. For washing and fixing the prints an ordinary wooden tray lined with oil cloth will answer, but for the toning baths either rubber, porcelain or glass trays should be employed. Each tray should be used for one particular purpose only. It will, therefore, be necessary to have a tray for preliminary washing of the prints, one for toning, one for fixing and another for final washing. In addition to the printing paper it is necessary to have the following chemicals: Chloride of gold, acetate of soda, borax, hyposulphite of soda and either alum or formalin.

23. Printing

Printing. Gelatin and collodion glossy paper, in a general way, should be printed until the highest points of light are tinted only a little farther than you desire the finished print. Pay no attention to the shadows.

24. Washing

Washing. The prints must be washed through six changes of clear water, handling them over each time. In washing the prints it is necessary to eliminate two things, i. e., the free silver and the preserving chemical, because unless the prints are thoroughly prepared they will not tone evenly and thoroughly.

25. Toning

Toning. When thoroughly washed the prints are to be toned in the following bath, which should be prepared at least two hours before using, so as to give it an opportunity to ripen:

Chloride of Gold...................................

15 grs.

Pure Water..................................

15 ozs.

or, 1 gr. of gold to the ounce of water.

Place the chloride of gold in a bottle and add the 15 ozs. of pure water. Shake well until all the gold is dissolved. Label this bottle "Gold Stock Solution No. 1."

Acetate of Soda...................................................

1 Oz.

Water.........................................

10 ozs.

This makes a 10% solution.

Dissolve this chemical thoroughly by shaking, and label the bottle "Acetate Stock Solution No. 2." It is well to use at least a 14 ounce bottle for this solution, as the acetate of soda is dissolved more readily in a large bottle.

Borax Crystals..........................................

2 ozs.

Hot Water.....................................

6 ozs.

As borax crystals do not dissolve freely, it is advisable to use hot water for dissolving them. Label this bottle "Borax Solution No. 3."