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Point Bridge, Pittsburg, Pa

A Curious Physical Phenomenon

Do Patents Pay!

A Novel Projectile

Striking Figures About Cotton

Mining Debris in California

Tin in Maine

The American Science Association

The Concord School of Philosophy

A Novel Binder

Self-Adjusting Watch Key

De Locht's Pantelephone

Experiment Illustrating Discharge of Electricity From Clouds

Submarine Observatory and Electric Light

Miscellaneous Inventions

The Williamsport Panel Planer

Agricultural Inventions

New Line-Throwing Gun

Mechanical Inventions

Novel Air Brake

The Japanese and Chinese Sections of the Berlin International Fisheries Exhibition

By A. W. Roberts

Providence River Oysters

Engineering Inventions

Natural History Notes

Decisions Relating to Patents, Trade Marks, Etc

U. S. Circuit Court-Northern District of Illinois. Adams Vs. Illinois Manufacturing Company.—Patent Lanterns


  • Departments

    Business and Personal

  • Index of Inventions

  • Notes and Queries

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