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Improved Band Log Saw Mills

The Torpedo Steam Alarm

Button-Set Riveting for Boilers

Ventilation of Halls of Audience

Pioneer Canning

By H. C. Hovey

Mr. Lawson's Boiler Explosion

By S. N. Hartwell

Galvanization of an Engine Piston

Agricultural Inventions

Bending Machine for Iron and Steel

Extension Magazines for Coal Stoves

Electro-Assay of Copper Ores

Ventilated Bath Box for Chemical and Photographic Purposes

Condensed Milk

A Simple Balance

Miscellaneous Inventions

A Novel Bottle

The Secret of Easy Floating

Novel Fruit Picker

New Double Plunger Steam Pump

The Sevres Porcelain Factory

Engineering Inventions

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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