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Excerpt from Thermal Gradient Effects on Thirteen Flush Mounted Pressure Transducers Thirteen different flush mounted pressure transducers of seven manufacturers Were tested by creating a thermal gradient in them and recording the resultant zero shifts. Photographs of typical outputs are shown and the results are compared. A typical recording shows these general characteristics; 1. A very rapid change in output reaching a peak in a second or less, 2. A more gradual shift which reaches a peak in a time which may be a few seconds or more than a minute, and 3. A shift in reading which remains as long as the gradient is maintained. Examples were found in Which each of these were positive or negative. -the magnitude in a few cases was small, in many was a large fraction of its range, and in one case well in excess of the full scale range. 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.