Excerpt from A Portable Calibration Densimeter for Use in Cryogenic Liquids: March 1981 We have built such a portable densimeter and tested it in the drs. We describe this densimeter and these comparison measurements in this report. From these results, we have generated an accuracy statement for this densimeter. 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.