Feature

Preserving Business Files Called Useful to History

First Glances at New Books

Compounded Wood Is New Milling Advance

Theory of Life on Mars Is Dealt a Blow by Spectra

Modern Arts Reproduce the Timepieces of Olden Days

[Photograph]: Vest-Pocket Laboratory

Ten Enemies Oppose Man’s Use of Wood Products

Drinking Heavy Water Brings Death or a Faster Life

Light Rays Are Woven into Strange Patterns at Show

In Science Fields

New “Jet” Pulverizer Produces Finer Powder

Rear-Engined Automobile Is Patented by Henry Ford