Excerpt from Accuracy in Electrical and Radio Measurements and Calibrations, 1965 Comments are invited on any aspect of the charts: these may be directed to the editors. Inquiries or suggestions as to the exten sion of nbs services will be particularly welcome from persons concerned with high-precision measurements in research, develop ment, or calibration, if they foresee difficulty in obtaining calibration accuracy adequate to their needs in the ranges of importance to them. 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.