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Modern Hill Climbing

An Astronomical Discovery

Adulterations and Substitutions

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

The Hudson River Tunnel

Agricultural Inventions

New Dish Washer

Improved Harness Buckle

Improved Lace Cutter

Mechanical Inventions

A New Rock Drill

Decisions Relating to Patents

The Commissioner of Patents

A Modified Daniell Cell

Miscellaneous Inventions

Improved Valve-Gear for Engines

Halter to Prevent Horses from Cribbing

The India-Rubber and Gutta Percha Industries

Engineering Inventions

Curious Facts about the Albatross

The Conch Fisheries of the Bahamas

By W. H. Weed

Natural History Notes

Communications Received


  • Departments

    New Inventions

  • Recent Inventions

  • Business and Personal

  • Notes and queries

  • Index of Inventions

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