International Comparison of X-Ray Standards (Classic Reprint)

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Excerpt from International Comparison of X-Ray StandardsIonization chamber as his fundamental standard while at the same time recognizing the secondary calibration with radium as heretofore used by him. For this purpose he will employ an exact duplicate of the Bureau Of Standards guarded field ionization chamber as used in this investigation.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.