Excerpt from Supplementary List of Publications of the National Bureau of Standards: July 1, 1947, to June 30, 1957 The Supplement is a complete list, with brief abstracts, of Bureau publications issued during the period July 1, 1947, to June 30, 1957. It replaces the Supplement to National Bureau of Standards Circular 460 covering the period July 1, 1947, to June 30, 1952. Circular 460 for the period 1901 to June remains in effect. 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.