House-Flies and Disease
The Attack on the Fly must be Leveled at the Breeding Places
The Attack on the Fly must be Leveled at the Breeding Places
Blocks Weighing Over Two Thousand Tons Displaced Many Feet by the Force of Waves
Agreeable Effect on the Eyes Due to Elimination of Infra-Red Heat Rays
The Story Told by Monument and Temple
Exhibits in the American Museum
Models Prepared by the Department of Agriculture
Improved Method of Mixing Ingredients to Prevent Exudation Troubles
Efforts of Railway Company to Prevent Ignition by Locomotive Sparks