Download or read book The American Journal of School Hygiene, Vol. 2 written by Lawrence Augustus Averlii and published by Forgotten Books. This book was released on 2018-01-04 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The American Journal of School Hygiene, Vol. 2: March, 1918 That the height is not exactly fixed is Shown by the diurnal variation, mainly due to shortening of the vertebral column, as determined by Prof. T. A. Storey in New York. Seven young men measured for three years Showed diurnal loss and nocturnal gain to an amount such that one might lose a centimetre and a half in a day within physiological range. 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.