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Conditions in Porto Rico

"The Biggest in the World"

Death of John Keely

The Proposed New Monitors

Sir John Fowler

Industrial Property Commission

Philippine Toponymy

Recent Developments in School Sanitation

Another Mammoth Locomotive

A Safety-Attachment for Scaffolds

The National Acetylene Gas Generator

A New Covering for Boilers and Pipes

The Rotary Neostyle

Successful Test of 6-inch Krupp Process Plate by 8-inch Gun

By Lieut. G. L. Carden

The First-Class Battleship "Maine"

The Study of Typical Soils

By Marcus Benjamin


  • Departments

    The Heavens in December 1898

  • Correspondence - December 03, 1898

  • Recently Patented Inventions - December 03, 1898

  • Index of Inventions - December 03, 1898

  • Business and Personal - December 03, 1898

  • Notes and Queries - December 03, 1898

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