It should not be thought, however, that every exposure on bromide paper must involve an arithmetical calculation.
Almost any of the modern developers (pyro excepted) will give good results with bromide paper.
One great objection to the use of bromide paper is that it must be handled in a dark-room.
Place the bromide paper on the screen, using the thumb-tacks as a guide to the correct position in this.
For enlarging, the lantern is placed on the sliding bottom and the bromide paper tacked to the easel.
It remains then only to apply these two rules to our actual work with bromide paper.
With a clear negative we can have an enlargement made on bromide paper that will be a source of great satisfaction.
From the large transparency a negative is produced by contact printing either upon a plate, or upon a piece of bromide paper.
The negative itself may be enlarged, or what is simpler still a direct enlargement may be made on bromide paper.
All the thin varieties of bromide paper curl badly in drying.