Bauhaus-Universität Weimar

Titel:
The Book of the Lantern. Being a Practical Guide to the Working of the Optical (or Magic) Lantern. With Full and Precise Directions for Making and Coloring Lantern Pictures.
Person:
Hepworth, T. C.
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit39440/147/
136 
THE BOOK OF THE LANTERN. 
into the alum tray ; and so on, until perhaps a couple of 
dozen plates have been treated in the same way. I then 
light my gas-lamp, mix up a tray of fresh hypo, large 
enough to accommodate half a dozen plates at a time, and 
proceed to fix my plates. They fix rapidly, and as fast as 
they are done, back they go into the weak alum solution, 
until, when the batch is finished, I proceed to wash them. 
This I do by placing them in a metal rack (see fig. 42), 
and changing the water occasionally during an hour or so. 
GENERAL CONSIDERATIONS—INTENSIFYING AND MOUNTING. 
Hitherto I have said nothing with reference to the best 
kind of negative for lantern-slide making ; the worker will 
find out, after a few trials, that some of his negatives will 
yield, without much trouble, a first-class result, whilst others
        

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