Excerpt from Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce, for the Fiscal Year Ended June 30, 1926 Dear mr. Secretary: I submit herewith the following brief report upon the work of the Bureau of Standards during the fiscal year ended June 30, 1926. The various outstanding accomplishments are grouped according to the subjects for which Congress had made specific appropriations. This is by no means a complete report of all work accomplished, but the examples cited have been chosen to give a reasonably accurate idea of the field covered in each case. 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.