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Rosaline Color Patent, 250,247

Steam for Heating Greenhouses

A Telephonic Hoax

Pliocene Man in Nevada

The American Institute Fair

Postage Stamp Frauds

The Egyptian Campaign Ended

The British Association

Improved Washing Machine

Improved Corn Crusher

Bloomsdale Seed Farm

Improvement in Steam Boilers

Improved Spinning Frame

The Natural Reddening of Water

Electrical Invention

Textile Inventions

Engineering Inventions

Mechanical Inventions

Agricultural Inventions

Metallurgical Invention

Miscellaneous Inventions


  • Departments


  • Recent Inventions

  • Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Patents

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