Author: American School of Art and Photography

Publisher: Forgotten Books

Published: 2018-03-06

Total Pages: 436

ISBN-13: 9780364045817

Excerpt from Library of Amateur Photography, Vol. 2: Negative Making, Printing, Copying, Enlarging, Retouching The sensitive silver salts in the emulsion Of the plate or film have undergone an invisible change when exposed to the action Of the rays of light - some of the particles have been affected by the light, while others remain as they were. It will be found when this exposed plate, or film, is placed in a solution composed Of some oxidizing agent, called a developer, that a Change takes place in the color of these light affected particles and they are thus rendered visible to the eye, and may also be built up to form an image varying in density according to the amount of the light action on the sensitive emulsion. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.