Smithsonian Physical Tables Classic Reprint

Excerpt from Smithsonian Physical Tables

The present edition of the Smithsonian Physical Tables entails a consider able enlargement. Besides the insertion oi new data in the older tables, about 270 new ones have been added. Their scope has been further broadened to include many new tables relating to astrophysics, geophysics, meteorology, geochemistry, atmospheric electricity, wireless, molecular and atomic data, etc.

Many suggestions and data have been received: from the Bureau of Stand ards, the Coast and Geodetic Survey (magnetic data), the Geophysical Labora tory, Naval Research Laboratory, Department of Terrestrial Magnetism, Harvard College Observatory, Eastman Kodak Co. (photographic data), National Research Council (international Critical Tables); from Messrs. Adams, White (geophysical Laboratory), R. T. Birge, Briggs, Dellinger, Deming (bureau of Chemistry and Soils), Dorsey (i. C. Fleming, For sythe, Hulburt, Lovejoy and Loomis (eastman Kodak Kimball, Menzel, van Maanen, Russell, Shapley, St. John, Wells, Wherry, and many others whose names generally will be found with the corresponding data furnished. To all these we are indebted.

The changes in the domain of physics and allied branches have been so radical and extensive that it has been difficult to do justice to the advances. Further, it has been deemed essential to keep this volume in handy size, referring the reader to the more extensive International Critical Tables or to landolt-bornstein's Physikalisch-chemische Tabellen for more extensive data. It has been inadvisable to delay the tables for revision in many places. We will be grateful for criticisms, the notification of errors, and new data.

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