When they are thoroughly dry apply paste to the back of the print before removing it from the ferrotype.
I put one on a piece of ferrotype plate, and that gave really the best result I ever got.
The ferrotype plate therefore vibrates with tremendous rapidity between the core and the platinum screw.
The prints treated in this way lose little of the gloss made by the ferrotype plate.
I tried putting in a large number of these tubes, all in quantity, on the bottom of a ferrotype plate, but with no advantage.
More often a photograph is taken on a ferrotype plate and the outlines scratched into the plate.
In Nos. 797 and 805 will be found directions for preparing a ferrotype plate so that prints will not stick.
Now the ferrotype plate must be exactly free of the end of the core and that is all.
Aristo prints can be mounted direct from the ferrotype plate or the ground-glass to which they have been squeegeed to dry.