the fundamental laws of animal nutrition, concentric walls of wood. Between the zine the uses of food in the body, the nutritive and the innermost wooden wall is an air value of food materials, and the ways of fit- space of 2 inches wide. Between this wall ting our food to the demands of health,… … ject in the chamber is rendered easy by furnished with a folding chair and table means of a telephone. for use during the day, and a folding Measurements of the temperatures bed for use at night. When the ex- are made in part by mercury ther- periment involves muscular work, a sta- mometers, but…
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