Excerpt from The Influence of Muscular and Mental Work on Metabolism and the Efficiency of the Human Body as a Machine During one Of the early experiments with this apparatus the subject performed a considerable amount Of mechanical work by raising and lowering a weight, and on those days during which the work was per formed there was a marked increase in the output Of carbon dioxid over the resting value. Subsequently, in connection with further experiments in these series, an improved form Of bicycle ergometer was ...
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Excerpt from The Influence of Muscular and Mental Work on Metabolism and the Efficiency of the Human Body as a Machine During one Of the early experiments with this apparatus the subject performed a considerable amount Of mechanical work by raising and lowering a weight, and on those days during which the work was per formed there was a marked increase in the output Of carbon dioxid over the resting value. Subsequently, in connection with further experiments in these series, an improved form Of bicycle ergometer was devised in which a bicycle was so adjusted that the rear wheel pressed against the wheel attached to the armature shaft Of a small dynamo. From the amount Of electricity generated the amount Of external muscular work performed could be computed. The method Of calibrating the machine, and the description Of the machine itself, has been given in detail in an earlier bulletin Of this series, in an account Of experiments reported by Atwater and Benedict. The inequalities Of the surface Of the tire, the slip, variations in tension Of spring, and numerous other factors rendered the limit Of error on this machine too large for the most satisfactory work, and 'hence a special form Of bicycle ergometer was constructed in which it was attempted to eliminate in 80 far as possible all known errors. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.