A Manual Of Photography
Forfatter: Robert Hunt
År: 1853
Forlag: John Joseph Griffin & Co.
Sted: London
Udgave: 3
Sider: 370
UDK: 77.02 Hun
Third Edition, Enlarged
Illustrated by Numerous Engrabings
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103
ALBUMEN. COLLODION.
be produced upon glass plates, is the following Mê^° of
the patent processes of Drayton and of Thompson for silvering
81 Take a very clear plate of glass, and having put .around it an
edging of wax about half an inch in depth, pour into it a so1U
tien 3 nitrate of silver made alkaline by a few drops of »
monta, taking care that no oxide of silvei is pr p.'
with this a small quantity of spirits of wine, and then ^ddmmix
ture of the oils of lavender and cassia, or, w nei p time the
best process, a solution of grape sugar, oasmp^
glass will be covered with a very beautiful metallic coat 1h
solution is now poured off, the edging of wax removed and ^the
silver is exposed to the action of diluted chlorine, or totvio
of iodine or bromine, until it is converted into a compomid of one
of these elements, after which we may proceed as recommended
by Sir John Herschel.
Section II.—Albumen.
In the Technologists for 1848, M. Niepce^
be desired. The manipulatory details of the åmen process
will be found in the technical division of this work.
Section III.—Collodion.
The successful application of a s°“°^ on
some dilheulty in nx p • Mr. Fry certainly intro-
actual pubhea^^ y
duced the use of gu,P^ ^f^ence need be made is the wear
The last novelty which will be fully described.
paper process oi M. Lie '