On a Tour of the Shops

State Commission on New York Water Supply

The Delay of the Manhattan Bridge

Proposed Dam for Lake Erie

Official Meteorological Summary, New York, N. Y., January, 1906

Prize for Electric Device

An American Modification of the Parsons Steam Turbine

The Motor Skate—A New Thousand League Boot

By Our Paris Correspondent

The Helicoptere Santos-Dumont's Latest Flying Machine

A Convenient Hydrogen Generator

Ore-Unloading by Machinery

Final Races at the Ormond Automobile Meet

Moving a German Lighthouse

Remarkable Phosphorescent Animals

An Improved Annunciator

Business and Personal Wants