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Langworthy, C. F. (Charles Ford), 1864-1932 -- Correspondence
WCU - Horace Kephart

Charles F. Langworthy to Horace Kephart, February 19, 1916, page 1

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Charles F. Langworthy to Horace Kephart, February 19, 1916, page 1

HL_MSS80_24_01_03_05_01
Item 2 - Charles F. Langworthy to Horace Kephart, February 19, 1916, page 2
wcu_kephart-1709.jpg

Charles F. Langworthy to Horace Kephart, February 19, 1916, page 2

HL_MSS80_24_01_03_05_02
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  • w UNITED STATES DEPARTMENT OF AGRICULTURE, STATES RELATIONS SERVICE, WASHINGTON, D. C. RDM/Mill OFFICE OF HOME ECONOMICS. February 1$, I91S. Mr. Horace Kephart, Bryson City, North Carolina. Dear Sir: Your letter of February 11, requesting information regarding some figures in our Farmers' Bulletin 142,,"Principles of Nutrition and Nutritive Value of Food", has been referred to this office for attention. In calculating the fuel value of an ordinary mixed diet, the factors used are k calories per gram, or 1815 calories per pound, for protein and carbohydrates; and 9 calories per gram, or 4080 calories per pound, for fats. In the lack of more direct knowledge, the fuel values of separate food materials are commonly computed by the same factors. Some of the figures for fuel value in our Farmers' Bulletin 1M2, to which you refer, were derived in this way; while others were derived from actual determinations of the heat of combustion and the digestibility of the food materials. The value of chuck ribs, computed by the factors given above, is 893 calories; while the value given in Farmers' Bulletin lU2 is 910 calories - a discrepancy of but little more than 1.0 per cent, which Is insignificant being much less than that sometimes found in different samples
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Horace Kephart

Background and Early Career Horace Kephart was born in 1862 in Pennsylvania, but spent much of his youth in Iowa. He went on to achieve success in two careers. Trained as a...

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