Volume 150, Issue 2
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Features
The Second Scientific American Test for Telepathy
Brought Forth Little Data Which Could Not Be Ascribed to the Operation of Chance
A Doctor Looks at Smoke and Dust
The Revised Food and Drugs Bill—What it Means to YOU
Elongating Legs by Surgery
You Have One Chance in a Hundred to Understand Einstein
"Malnutrition" in the British Navy
Streamlining and Your Automobile
Much Greater Gasoline Economy May be Expected When Motor Cars Are Really Streamlined. The Facts of the Mauer, in Non-Technical Language, Are Presented in the Accompanying Article. Will Motor Car Manufacturers Meet the Demand for Greater Efficiency by Producing Automobiles Planned by Airplane Designers?
The New Telescope Mirrors
Scheduled Atlantic Flying How? When?
Sundials and their Construction—I
Planning Simple Equatorial and Horizontal Dials
The Detection of Food Adulterations and Spoilage—II
(Continued from January)