Sleep / By Dr. W.W. Hall.

  • William Whitty Hall
Date:
1862
Catalogue details

Licence: Public Domain Mark

Credit: Sleep / By Dr. W.W. Hall. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    folly, and if we leave descendants behind us, they will be but shadows, the mere outlines of men and women. All know that emanations are constantly ] Kissing from the body, its impurities, its dead and effete matter, which nature has no use for, and which she is constantly endeavoring to cast off by the pores of the skin, the average num- ber of which for each square inch of the body is estimated by Erasmus Wilson to be two thousand five hundred, or seven millions in all, making, if joined together, a canal twenty- eight miles long, which conducts from the sys- tem every twenty-four hours, in a state of sen- sible perspiration, or water called sweat, or insensible perspiration, called vapor, three pounds and a half from one person in the ordi- nary occupations of life, and much more in extraordinary callings. For example, men employed in keeping up the fires in the gas- works, were found to have lost in weight, on an average, over three pounds in forty-five
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