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Fire Inspection of Hotels

Objections to the Pennsylvania Tunnel Bill

A Novel Turbine Destroyer

Sailing Vessels in the Suez Canal

Armor Plate for the Russian Government

Moving Sidewalk for the Brooklyn Bridge

Speed on the Elevated Railroad Curves

Faulty Pipe Threads

Electricity and Power Direct from Heat

By James Asher

An Oil-Burning Water-Tube Locomotive Boiler

A Curious Instance of Re-Invention

By Irving U. Townsend

Cave-in at the Park Avenue Rapid Transit Tunnel

Shell Practice in City Armories

The Severo Airship


Flexibility of the Frame

Automobile Department

Novel Electric Vehicles

A Novel Three-Wheel Automobile

Automobile Coup Built for the Sultan of Morocco

Automobile Novelties

A Motor Sled

A New Water-Level Regulator for Steam Boilers


  • Departments

    The Heavens in April, 1902

  • Correspondence - March 29, 1902

  • Business and Personal Wants - March 29, 1902

  • Recently Patented Inventions - March 29, 1902

  • Index of Inventions - March 29, 1902

  • New Books, Etc. - March 29, 1902

  • Notes and Queries - March 29, 1902

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