Volume 159, Issue 2
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Features
The Skeleton Talks
Bones of Skeleton Give Amazing Data; Tell Age, Race, Sex, Stature, and so on; Study Is Important in Anthropology, Archeology, and Criminology
The Japanese Navy at a Glance
The 200-inch Telescope
A Progress Report, Two Years to Go, The Big Moving Mechanism Weighing a Million Pounds Has the Precision Characteristics of a Fine Watch
Helium—Hope of the Airship
Commercial Quantities Produced Only In United States . . . Safer, More Economical Lifting Gas than Hydrogen . . . Stringent Sales Regulations
Diffuse Nebulae
The New Struve Wide-Slit Spectrograph Permits the Observation of the Faint Galactic Nebulae
Scales of Industry
Do More Than Weigh . . . Manufacturing Processes Automatically Controlled . . . Quantity and Quality Checked . . . Saving Time, Material, and Labor Costs
Properties of Matter Under High Pressure
Unfamiliar Effects Produced by Pressures Up to More than Half a Million Pounds per Square Inch. Ice that Melts Only at 376 Degrees, Fahrenheit