Lessons of the Paris Flood, The New York Deep Tunnel Water Supply, Our Latest and Final Reciprocating Engine Battleship

Engineering, Electricity, Science

A New Storage Battery Street Car

Another Edison Invention

Artificial Production of the Voice

What Smokeless Powder has Made Possible--I

The Rockefeller Institute's Work on Infantile Paralysis

Clearing Snow from Railway Tracks in Canada

Bernard Palissy, the Famous French Potter, and his Works

Thermostatic Alarm for House Heaters

Adapting a Grate for Small Coal

Regulator for Indirect and Direct-Indirect Steam Heating

Method of Economizing Gas

Home-Made Ash Sifter

How to Burn Coal Economically