Feature

New Machines and Gadgets

Front Matter

Type Early for Rh

San Francisco Conference Neglects Important Step

[Photograph]: Leaf Pattern

Virus May Cause Cancer

Pneumonic Plague Remedy

Cases of “Diaper Rash” Traced to New Antiseptic

Better Photos after Dark

Radio Space Allocated

[Photograph]: INCA Village

Training of Chemists at Standstill Due to War