American Journal of Diseases of Children (Classic Reprint)
Description:... Excerpt from American Journal of Diseases of Children In 1885 Richet,3 in describing his calorimeter, states that he has two chambers, one Of which, having a capacity Of about liters Of air, is used for experiments with infants. He cites an experiment with an infant Of 9 kg, who was in the chamber for one hour and ten minutes, and gives protocols for another experiment, one hour in length, presumably with the same infant. In summing up his averages he refers to numerous experiments on infants weighing from 6 to 9 kg, and includes Observations made with environmental temperatures rang ing from 18 C. To 25 C. He concludes that the infant produces on the average 4 calories per kilogram of body - weight per hour. Richet dis cusses especially the relationship between the body - surface and the heat-production.
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