Excellent Foundations for the Gatun Locks

The Smoke Peril at Fires

Needed--A Rational Railroad Track

The American Museum of Safety Devices and Industrial Hygiene

Extraordinary Insect Enlargements

The New White Star Liner “Adriatic”

By Our London Correspondent

Charles Haynes Haswell

Eclipse of the Sun in July, 1907

Building a Town Site by Suction Dredge

A Curious Illusion

An X-Ray Stereoscope