CONTAINING SIMPLE DIRECTIONS FOR THE PRODUCTION OF
PORTRAITS, VIEWS, &c. BY THE AGENCY OF LIGHT,
INCLUDING THE
Collodion, Albumen, Calotype, Waxed Paper, and Positive Paper Processes.
By CHARLES A LONG.
Fourth Edition, price 1s.; per Post, 1s. 2d.
ILLUSTRATED PHOTOGRAPHIC CATALOGUE,
FREE BY POST.