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Improved Band Log Saw Mills

Button-Set Riveting for Boilers

Ventilation of Halls of Audience

The Torpedo Steam Alarm

Galvanization of an Engine Piston

Pioneer Canning

By H. C. Hovey

Mr. Lawson's Boiler Explosion

By S. N. Hartwell

Agricultural Inventions

Extension Magazines for Coal Stoves

Bending Machine for Iron and Steel

A Simple Balance

Ventilated Bath Box for Chemical and Photographic Purposes

Electro-Assay of Copper Ores

Condensed Milk

A Novel Bottle

Miscellaneous Inventions

The Secret of Easy Floating

New Double Plunger Steam Pump

Novel Fruit Picker

Engineering Inventions

The Sevres Porcelain Factory

Sevres Vase

Mechanical Inventions

Steam Boiler Notes


  • Departments


  • New Inventions

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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August 13, 1881

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