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Practical Divisibility of the Electric Light

The Utility of Bees

Unknown New York

A Prairie Boy's Experience

Strike of Pittsburg Puddlers

Philander Higley Roots

The Isthmus Canal

Milling Machine

Improved Finishing Press

A New Scuffle Hoe

New Combination Tool for Merchants

Improved Window Cornice

Engineering Inventions

Preventive for Slipping Belts

Recent Mechanical Inventions

Recent American Patents

Improved Hydrant

Improved Road Plane

Some Interesting Echinodermata

Natural History Notes

Flower Stand

Communications Received


  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

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