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International Union for the Protection of Industrial Property

The Geneva Non-Magnetic Watch

Photographic Notes - November 19, 1887

An Improved Ore Jigger

An Improved Vermin Exterminator

Improved Construction of Grain Elevators

An Improved Violin Tuning Peg

Compressed Air Locomotive for Underground Haulage

An Improved Railroad Signal

An Improved Shoemaker's Pegging Jack

Our New Navy

Otto Von Guericke's Vacuum Gun

By T. O'conor Sloane

The New Jersey Ballot Box

New Isochronal Clock

Pneumatic Speed Indicator

The Volcano of Kluchi or Kluchefskaya, Kamschatka

Agricultural Inventions - November 19, 1887

Miscellaneous Inventions - November 19, 1887

Special - November 19, 1887

The Heroism of Women

Engineering Inventions - November 19, 1887

To Inventors - November 19, 1887


  • Letters

    Correspondence - November 19, 1887

  • Departments

    Business and Personal - November 19, 1887

  • Index of Inventions - November 19, 1887

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