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Features

Modern Hill Climbing

Adulterations and Substitutions

How are the Oil Tanks Set on Fire by the Lightning ?

An Astronomical Discovery

The Hudson River Tunnel

New Dish Washer

Improved Lace Cutter

Improved Harness Buckle

Agricultural Inventions

Mechanical Inventions

A New Rock Drill

Decisions Relating to Patents

The Commissioner of Patents

A Modified Daniell Cell

Improved Valve-Gear for Engines

Halter to Prevent Horses from Cribbing

Miscellaneous Inventions

The India-Rubber and Gutta Percha Industries

Engineering Inventions

Natural History Notes

Curious Facts about the Albatross

The Conch Fisheries of the Bahamas

By W. H. Weed

Communications Received

Departments

  • Departments

    New Inventions

  • Recent Inventions

  • Notes and queries

  • Business and Personal

  • Index of Inventions

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