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Machines for Finishing Fabrics

The Preservation of Gas Service-Pipes

Trade Mark Notes

Where the Letters Are Written

Dangers of Dentistry

A Mushroom Farm in Mammoth Cave

By H. C. Hovey

Deafness as a Cause of Railway Risks

New Pumping Engine

Miscellaneous Inventions

New Bending Machine

The Keely Motor Deception

New Iron Fence

Improved Connecting Rod

New Style Power Mortiser

Engineering Inventions


By A. W. Roberts

English Soft Porcelain

Oxygen from Bleaching Powder

Agricultural Inventions

Communications Received


  • Departments


  • Recent Inventions

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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June 11, 1881

Science for the Modern World