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Features

Electric Lighting for Siege Purposes

Proposed Amendments of the Patent Laws

The Chinese Craze

New Railway Track Gauge and Level

Improved Gate

New Hand Vise

Improved Pump Piston

Engineering Inventions

Novel Door Hanger

New Saw Frame

On a New form of Magneto-Electric Exploder

By Marcel Deprez

Steam Boiler Notes

New Show-Box Cover

Improved Sash Fastener

Agricultural Inventions

A Curiously Worn Hammer Handle

Miscellaneous Inventions

Fresh Grapes for the Table

Spongilla Fluviatilis.--The Cause of Cucumber Taste in Water

Parthenogenesis

By C. F. Kroeh

Departments

  • Departments

    Correspondence

  • New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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March 25, 1882