Page 79 - The Wellington photographic handbook

This reducing bath, if diluted, may be employed for clearing
prints in place of the thiocarbamide solution given on the previous
page. The prints after a short immersion should be transferred
to hypo for five minutes and then washed.

LINE DRAWINGS IN PEN AND INK.
Bromide paper will be found very handy for this purpose.
If we have a negative of some subject from which we wish to make
a line drawing in pen and ink, we first make a Bromide print
which, after fixing and washing, must be well hardened in an alum
bath (made by dissolving an ounce of alum in a pint of hot water).
It is then washed again and dried. This print is then gone over
with a pen, using the indelible Indian ink, sold at most artists'
material shops for the use of draughtsmen. The line drawing is
made on the surface of the print with this ink, and then, when dry,
the whole of the silver image is removed, either by the action of
the reducer just described and hypo, or by the following bath,
which will of itself entirely remove the image in from a quarter to
half an hour, leaving the line drawing untouched*
Thiocarbamide 120 grains 8 grammes
Nitric Acid 2 drams 8c.c.
Water to 10 ounces 300 c.c.
ENLARGEMENTS ON BROMIDE PAPER.
The sensitiveness of Bromide paper makes it possible for
enlargements to be made on it by artificial light or by daylight
with great ease. This subject is dealt with separately on pages
76 to 89.
WELLINGTON BROMIDE POST-CARDS.

These are made in a variety of surfaces, and the manipulation
To
is in every respect the same as has been already described.
enhance the attractiveness of the card it is only necessary to use
masks which may be made by the worker himself, or can be pur-
chased of photographic dealers. The post-cards are printed on
the back in the usual form, so that there is no difficulty whatever
in judging the sensitive side.
f
* Be ore making up any formula, read the notes on pages 125, 126 and 134.
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