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Street Ventilation

The Twenty Five Knot Cunard Steamships

The Steam Turbine from the Commercial Standpoint

Test of a Norwegian Life-Saving Boat

An Ancient Fire Engine

The "Preussen," the World's Largest Sailing Vessel

A Huge Meteorite Recently Discovered

The Sault Ste. Marie Water Power Canal

Manufacture of Tin Plate--II

Ruhmer's Optic Telephone

A Portable Windmill

The Zapotecan Tombs Unearthed

By Walter L. Beasley

Traps for the Unwary Inventor

Oil Burner

Improved Drawing Compasses

Tool for Withdrawing Casings From Wells

Saw-Tooth Tool

Business and Personal Wants


  • Departments

    The Heavens in November - November 1, 1902

  • Science Notes - November 1, 1902

  • Notes and Queries - November 1, 1902

  • Recently Patented Inventions - November 1, 1902

  • Index of Inventions - November 1, 1902

  • New Books, Etc. - November 1, 1902

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