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Russian Army Hydrogen Balloons

The Government's New Coal-Testing Plant

Delay in Building the Ambrose Channel

An Old Problem in a New Form

Power Sites about Niagara Falls

By Alton D. Adams

Determining the Speed of a Photographic Shutter

By J. Irving Tracy

Procession of the Giants

American Gasoline Railway Motor Cars

The Submarine Mine

The Training of the Modern Shop Superintendent

By Charles C. Johnson

The Latest in Cycles

The Remoras

By Charles Frederick Holder

The Great Sea Wall at Galveston

By W. S. Hudson

Opening of the Stone Drydock at the Boston Navy Yard

A Curious Bridge Accident

Business and Personal Wants


  • Departments

    Correspondence - August 26, 1905

  • Recently Patented Inventions - August 26, 1905

  • Notes and Queries - August 26, 1905

  • Index of Inventions - August 26, 1905

  • New Books, Etc. - August 26, 1905

  • Patents - August 26, 1905

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