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Steel Roads for Country Districts

Cast-Iron Columns in the Darlington Hotel Collapse

That Fire Peril Again

The Blocking of the Port Arthur Entrance

Departure of the Panama Canal Commission

The Steam Turbine and its Field in Marine Work

By Lieut. H. C. Dinger

Automatic Ore Loader

Pulling Strength of Men and Animals

New Electrolytic Phenomenon

Method of Timing Photographic Shutters

Malting and Brewing Conducted on Scientific Principles.--I. Malting

Russia's Last Hope on the Sea

An Interesting Balancing Feat

Patent Department

Convenient Attachment for Bird Cages

Improved Calipers

Windmill with Reversing Attachment

Oddities in Inventions

Business and Personal Wants

Departments

  • Departments

    Science Notes - April 9, 1904

  • Recently Patented Inventions - April 9, 1904

  • Notes and Queries - April 9, 1904

  • Index of Inventions - April 9, 1904

  • New Books, Etc. - April 9, 1904

  • Patents - April 9, 1904

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April 09, 1904

Help Us Reforest the Mississippi River Valley

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