The SciencesGermany at the St. Louis ExpositionCorrespondent of the Scientific AmericanBy St. Louis on November 19, 1904AdvertisementABOUT THE AUTHOR(S)Recent Articles by St. LouisModel of Snagboat “General Wright” at the St. Louis ExpositionPictures in Wheat and Corn at the St. Louis FairA 60,000-Volt Oil Switch at the Fair