The Internet Archive has a preservation copy of this work in our general collections.
use, but it is not long enough and should be extended. A fine thread may be used in conjunction with the "calories per pound" scale, as in the ordinary practice of measuring with a string and trans¬ ferring to a rule. A list of the foods and their weights in pounds is prepared. Beginning with the first food on the list, the scale opposite its name on the chart is found and the number correspond¬ ing to its weight is noted on the scale and the distance from this number to the left hand end ofdoi:10.1001/jama.1920.02620020034016 fatcat:u3afh7oksbg6bakpwktcxkazfi