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Features

Machines for Finishing Fabrics

The Preservation of Gas Service-Pipes

Where the Letters Are Written

Trade Mark Notes

A Mushroom Farm in Mammoth Cave

By H. C. Hovey

Deafness as a Cause of Railway Risks

Dangers of Dentistry

Miscellaneous Inventions

New Pumping Engine

New Bending Machine

The Keely Motor Deception

New Iron Fence

New Style Power Mortiser

Improved Connecting Rod

Engineering Inventions

Lobsters

By A. W. Roberts

English Soft Porcelain

Oxygen from Bleaching Powder

Agricultural Inventions

Communications Received

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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June 11, 1881

See the World from a Different Perspective

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