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Features

The Great Bell for St. Paul's

Aspects of the Planets for July

Is There Water on the Moon?

Novel Carpet Stretcher and Carpet Fastener

New Quick Adjusting Vise

New Baling Press

New Mill Dog

Metallurgical Invention - July 1, 1882

Miscellaneous Invention - July 1, 1882

Recent Discoveries in the Planet Mars

New Nut Tapping Machine

The Pygmy Hog of Nepaul

Departments

  • Departments

    Recent Inventions - July 1, 1882

  • Notes and Queries - July 1, 1882

  • Business and Personal - July 1, 1882

  • Index of Inventions - July 1, 1882

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