Feature

Vision Process Duplicated

[Photograph]: Devil’s Hole

New Machines and Gadgets

[Photograph]: Aircraft Hearing

Nature Ramblings: Anemone

Deflecting System Developed for TV Tubes

Cosmic Rays for Altimeter

Study Cur Dogs for Light on Man’s Heredity

[Photograph]: Rocket Fueler

Spring Comes North, Heralded by Red Maples

Oil and Gas Reserves Hit All-Time Peak during ’51

Need TV Antenna Change