The ferrotype and how to make it - The Grian Press

THE DARK ROOM. 51
with alcohol. Set the bottle away for a few days,
giving it a gojd shaking once in awhile; after the
gum has dissolved and settled, decant the clear
portion, after testing, to learn if it is thick enough;
if not shake up and allow to stand—if too thick,
dilute with alcohol and use. By keeping the stock
bottle full, adding new shellac as required, you
have, with very little trouble, a fine quality of
varnish, giving with a gentle heat as fine a gloss
to your work as any it is possible to make.
Now, that the picture is dry, cut apart; if more
than one, trim the edges, mount or place in envel-
opes, and they are ready to deliver.
CHAPTER V.
THE DARK ROOM.
The "dark room,'^ as it is generally denomi-
nated, should not be in reality a dark room, it being
onl}'^ necessary to exclude the actinic rays of light.
Light, then, may be admitted to any extent through
colored glass, if that color is non-actinic. The
best glass for this purpose is orange or yellow ;
the
whole room may be made of glass of this color, and
the work proceed without injury to the most sensi-
tive film. Care must always be taken to exclude all
white light—no cracks should be left open, doors