Page:Letter on corpulence.pdf/40

Rh circumstances and the new movement, may be interesting and useful to corpulent readers:—

This tabular statement, taken from a mean average of 2,648 healthy men, was formed and arranged for an Insurance Company by the late Dr. John Hutchinson. It answered as a pretty good standard, and insurances were regulated upon it. His calculations were made upon the volume of air passing in and out of the lungs, and this was his guide as to how far the various organs of the body were in health, and the lungs in particular. It may be viewed as some