Feature

Local Vaccination Brings Relief from Sinus Disease

Emergency Bank Can Give Blood at Cost of a Dollar

Nature Ramblings: Starvation by Fire

Machine Gun Barrel Has Life of 1,000 Seconds

Front Matter

New Inventions Add Greatly to Safety of the Aviator

100,000-Mile Sunspot Crosses Face of Sun

New Books on Science

[Photograph]: Putting on the Pinch

[Photograph]: Another Name and No Perfume

[Photograph]: Autumnal Insect Ogre

Front Matter