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Features

Electric Lighting for Siege Purposes

Proposed Amendments of the Patent Laws

The Chinese Craze

Improved Gate

New Railway Track Gauge and Level

New Hand Vise

Improved Pump Piston

New Saw Frame

Engineering Inventions

Novel Door Hanger

On a New form of Magneto-Electric Exploder

By Marcel Deprez

Steam Boiler Notes

Agricultural Inventions

Improved Sash Fastener

New Show-Box Cover

A Curiously Worn Hammer Handle

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

Miscellaneous Inventions

Fresh Grapes for the Table

Parthenogenesis

By C. F. Kroeh

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

  • New Books and Publications

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