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Improved Caloric Engine

New Amendment of the Design Patent Law

The Cocaine Habit

Are Steel Guns Really Superior?

The Frilled Shark--The Oldest Living Type of Vertebrates

Emery Wheels for Gumming Saws

Plasterer's Hawk

A Simple Device for Crimping Boots or Shoes

Combined Bench and Ironing Board

Improved Blind Stop

Adjustable Wood Measuring Rack

Protector for Ladies' Hats

Combined Brush and Comb Cleaner

Improved Stump Puller

Penberthy Injector

Our Winter Birds

By E. M. Hasbrouck

Improved Marine Dredger

Thermoscopic Balance

By Geo. M. Hopkins

The Northern Lights

Effect of a Torpedo on an Ironclad

Chevreul's Black

By T. O'conor Sloane

Torpedo Boat Armed with Pneumatic Dynamite Guns

Engineering Inventions - February 26, 1887

Miscellaneous Inventions - February 26, 1887

Agricultural Inventions - February 26, 1887

To Inventors - February 26, 1887


  • Letters

    Correspondence - February 26, 1887

  • Recommended

    New Books and Publications - February 26, 1887

  • Departments

    Notes and Queries - February 26, 1887

  • Business and Personal - February 26, 1887

  • Index of Inventions - February 26, 1887

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