Feature

Books of the Week

New Machines and Gadgets

Nature Ramblings: Blue-Green Sleeping Beauty

Front Matter

120-Inch Telescope Works

Franklin’s Library Is Reborn in Philadelphia

Slate-Colored Junco Stays Here for Winter

Cylinder inside Cylinder Cuts Auto ‘Smog’ Exhaust

Drug Curbs Gonorrhea, Other Venereal Diseases

TB Vaccine Succeeds

Russian Mining Method Sinks 10-Foot Hole Fast

Dinosaur Remains Main Guest at Museum Dinner