FOODS AND THEIR USES 



CARBOHYDRATES THE HEAVY BLACK LINES IN THE CHART BE- 

 LOW INDICATE TH?- RELATIVE FUEL VALUE 

 IN ONE POUND OF EACH of THE NUTRIENTS 



FIG. 22. Economy in the purchase of foods. Prices in this chart were those 

 in the year 1900. Compare with prices to-day. (U. S. Department oi 

 Agriculture.) 



