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Improved One Hundred Ton Floating Crane

War and Invention

Promotion by Seniority

Man and the Wild Animal

Photographic Notes - January 15, 1887

Water Gauge for Steam Boilers

Improved Steam Boiler

Large Punching and Shearing Machine

Improved Oil Cup

Combined Pulverizer and Plow

Picture Frame Attachment

Improved Spring and Dust Guard for Watch Cases

Folding Step Ladder

Comfort and Style Too

A Puzzle

Photograpry of a Moving Pendulum

Mixing of Fluids--Expansion by Heat

By T. O'conor Sloanr

The Porcupine Ant Eater

Science in Toys

Joseph Echteler's Design for a Grant Monument

Incandescent Burner of Dr. Auer

Miscellaneous Inventions - January 15, 1887

Engineering Inventions - January 15, 1887

Agricultural Invention - 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

  • Notes and Queries - January 15, 1887

  • Index of Inventions - January 15, 1887

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