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Comparative Merits of the Panama and Nicaragua Canals

Masonry Versus Wooden Dry Docks

Cost of the Boston Subway

Electricity as a Thawing Agent

Flashless Rapid-Fire Guns

Air Bubbles

Rails and Tie-Plates

Limitations of the Autotruck

The Fastest Vessel Afloat

New Machine Shop for the New York Navy Yard

Suggestions Concerning Trade with Russia

A Strange Society

A Curious Accident on a Trolley Car

The Comstock Mines and Their Drainage

The Building of a Watch

A Simple Pipe Cutting and Threading Tool

A Variable Bicycle Driving-Gear

A Percolator Package for Making Coffee

Raising Sunken Vessels

A Remarkable Fire in New York

The Banana as the Basis of a New Industry

New Railway Enterprises in Paris


  • Departments

    Recently Patented Inventions - March 4, 1899

  • Notes and Queries - March 4, 1899

  • Business and Personal - March 4, 1899

  • Index of Inventions - March 4, 1899

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