Feature

Test Auto Measures Power Output while in Motion

Drawing Shows Man Rode Horse 5000 Years Ago

Wear on Tires Measured by Use of Depth Gages

First Glances at New Books

Nature Ramblings: Winterberry

Means Found for Measuring Amount of Vitamin B Needed

Study Shows Cancer Varies with Nationality

Ultraviolet Light Used in New Photographic Process

First Glances at New Books

Cheap Coals, Reduced to Powder, Make Superior Fuel

Reports Success with New Treatment for Pellagra

Method of Keeping a Journal at Sea: “A Classic of Science”