NEGATIVE RACKS,

where they will soon dry, and when dry they should be stored in

boxes to be kept free from dampness and dust.

[Illustration: ANTHONY'S FOLDING NEGATIVE RACK.] [p172]

[Illustration: NEGATIVE BOXES.]

These boxes are made of every size and are indispensable for the

proper preservation of dry plates.

Photography in the studio and in the field · 第 147 / 193 题