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Excerpt from Standard Reference Material 1750: Standard Platinum Resistance Thermometers, 13. 8033 K to 429. 7485 K The calibration data are used to produce a set of numerical coefficients for two deviation equations for the its - 90 sub-ranges of K to K and K to K. When these two deviation equations are combined with the appropriate its 90 reference functions, the sprt can be used to interpolate all temperatures within the range of calibration. Further details concerning the structure of the scale may be found in nist Technical Note 126512. 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.