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Reminiscences of Daguerreotypy

By Geo. M. Hopkins

The Inventor's Work in Agriculture

John Roach

Improved Gas Engine

Improved Metallic Printing Block

Improved Door Attachment

Improved Wheel Cultivator

Improved Automatic Step Ladder

Cheese Cutter

Compressed Air Grease Cup

Improved Door Check

Illuminated Clock

The Saint Malo Rolling Bridge

Steam Carriages

The St. Paul Ice Palace

Sir Isaac Newton's Steam Carriage

Science in Toys

Improved Wire Netting Machine

Mechanical Inventions - January 22, 1887

Engineering Inventions - January 22, 1887

Miscellaneous Inventions - January 22, 1887

Agricultural Inventions - January 22, 1887

To Inventors - January 22, 1887


  • Letters

    Correspondence - January 22, 1887

  • Departments

    Notes and Queries - January 22, 1887

  • Business and Personal - January 22, 1887

  • Index of Inventions - January 22, 1887

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Scientific American Unlimited

Scientific American Unlimited