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Improved One Hundred Ton Floating Crane

Promotion by Seniority

War and Invention

Man and the Wild Animal

Photographic Notes - January 15, 1887

Improved Steam Boiler

Water Gauge for Steam Boilers

Large Punching and Shearing Machine

Combined Pulverizer and Plow

Picture Frame Attachment

Improved Spring and Dust Guard for Watch Cases

Improved Oil Cup

Folding Step Ladder

A Puzzle

Comfort and Style Too

Mixing of Fluids--Expansion by Heat

By T. O'conor Sloanr

Photograpry of a Moving Pendulum

The Porcupine Ant Eater

Science in Toys

Incandescent Burner of Dr. Auer

Joseph Echteler's Design for a Grant Monument

Agricultural Invention - January 15, 1887

Miscellaneous Inventions - January 15, 1887

Engineering Inventions - January 15, 1887

To Inventors - January 15, 1887


  • Letters

    Correspondence - January 15, 1887

  • Recommended

    New Books and Publications - January 15, 1887

  • Departments

    Business and Personal - January 15, 1887

  • Index of Inventions - January 15, 1887

  • Notes and Queries - January 15, 1887

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January 15, 1887

Confronting Common Wisdom