This technical manual provides detailed instructions for the use and maintenance of sunshine recorders, instruments that measure the duration and intensity of sunlight. Although it may be of limited interest to non-specialists, it is an important historical document in the development of meteorology as a science. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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.