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Air Bubbles

The Fastest Vessel Afloat

Rails and Tie-Plates

Masonry Versus Wooden Dry Docks

Limitations of the Autotruck

Flashless Rapid-Fire Guns

Electricity as a Thawing Agent

Cost of the Boston Subway

Comparative Merits of the Panama and Nicaragua Canals

New Machine Shop for the New York Navy Yard

A Strange Society

A Curious Accident on a Trolley Car

The Comstock Mines and Their Drainage

Suggestions Concerning Trade with Russia

The Building of a Watch

A Percolator Package for Making Coffee

A Variable Bicycle Driving-Gear

A Simple Pipe Cutting and Threading Tool

Raising Sunken Vessels

The Banana as the Basis of a New Industry

A Remarkable Fire in New York

New Railway Enterprises in Paris


  • Departments

    Business and Personal - March 4, 1899

  • Recently Patented Inventions - March 4, 1899

  • Notes and Queries - March 4, 1899

  • Index of Inventions - March 4, 1899

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March 04, 1899