The SciencesA Year's Supply of Raw Material for the Melting Pot, Wartime Bureaus and the Taxpayer and moreBy Ralph Howard on March 6, 1920AdvertisementABOUT THE AUTHOR(S)Recent Articles by Ralph HowardMicroscopic Vegetable GrowingUncle Sam's Agricultural Proving GroundsCutting and Fitting Beneath the Waves
