Publisher's Synopsis
Excerpt from Instructions for the Care and Management of Sunshine Recorders
It is generally well known that the ordinary blue print paper, after having received a Chemical impression by light in any pre scribed manner, is fixed and rendered permanent by simply wash ing in plenty of clean water, and is thereafter no longer affected by any further action of light. The charts of the photographic recorder wash out white, or nearly so, x marked by blue lines rep resenting the sunshine record.
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.
