
The SciencesFebruary 28, 1914
The Life of Building Power Plants
An Important Question for Investors

The Life of Building Power Plants
An Important Question for Investors

The Internally-Fired Helical Furnace
Wholesale Annealing and Hardening Done Almost Automatically

Applications of Oil-Burning Apparatus
A Review of Present Methods

A New Method in Wet Excavation
Draining Instead of Emptying an Excavation

Foundation Problems in New York City