American Association for the Advancement / John 1875- edt Michels
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This is a republication of 'Science Volume n.s. Jan-June 1919,' Volume 49. Published by the American Association for the Advancement of Science and edited by John Michels, this volume offers a snapshot of scientific discourse and research during the early 20th century. A valuable resource for historians of science and those interested in the evolution of scientific thought, this collection captures the key debates, discoveries, and advancements that shaped the scientific landscape of its time.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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
