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Metallurgy of Nickel

Field and Forest Fires

The Germinal Value of New Truths

Boiler Explosion on a Dry Dock

An Easily Made Chair

Improved Flower Stand

Cotton and Its Future--An Opportunity for Invention

Preventing Ships from Sinking

Steam Boiler Notes

Ajax Metal

Improved Double-Acting Steam Pump


Mechanical Inventions


  • Departments

    Recent Inventions

  • New Inventions

  • Notes and Queries

  • Business and Personal

  • New Books and Publications

  • Index of Inventions

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