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Marinoni's Rotary Printing Press

The National Exposition of Railway Appliances at Chicago

Rainfall on the Isthmus of Panama

Molecular Vibrations

The Chicago Railway Exposition

New Fuel Economizer

Improved Nut Arbor

New Apparatus for Stirring, Mixing, and Melting

Garden Destroyers.--The Oak Leaf Roller Moth

A New Constant Current Pile

Improved Railway Rail Chair

Engineering Inventions

Mechanical Inventions

Miscellaneous Inventions

Agricultural Inventions


  • Departments

    Recent Inventions

  • Business and Personal

  • Notes and Queries

  • Index of inventions

  • New Books and Publications

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