Excerpt from Sixteen Years' Experience in Artificial Poultry-Raising I soon found, however, that the difficulty did not consist so much in generating the heat as in controlling it. The regulating apparatus consisted of a glass syphon, some two feet long filled partly with alcohol and partly with mercury; the alcohol being inside of the machine and the mercury outside. In this mercury was inserted a wired cork. The heat was expected to expand the alcohol, force up the mercury and raise the cork. Now as this cork was ...
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Excerpt from Sixteen Years' Experience in Artificial Poultry-Raising I soon found, however, that the difficulty did not consist so much in generating the heat as in controlling it. The regulating apparatus consisted of a glass syphon, some two feet long filled partly with alcohol and partly with mercury; the alcohol being inside of the machine and the mercury outside. In this mercury was inserted a wired cork. The heat was expected to expand the alcohol, force up the mercury and raise the cork. Now as this cork was attached by a small wire to the ventilator and by a second wire to a cut-off on the lamp and worked simultaneously on both, the least expansion or contraction of the alcohol by heat or cold was expected to control the heat in the egg chamber. But unfortunately the alcohol was placed in the extreme bot tom of the machine, where there was the least heat, and the eggs in the top where there was the most heat, so that, as the heat ih creased the eggs got the benefit of it first and the liquor after wards, the damage was done before the remedy was provided. 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.