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Features

The Italian Ironclad Dandolo

The Common Mushroom and Its Poison

Modification of the Trade Mark Law

Blue Fire as an Explosive

Tile Fish

Mr. Golding's Theory of Mississippi Floods and their Prevention

New Old Fashioned Houses

New Alarm Register

Improved Portable Water Closet

Aspects of the Planets for October

Natural History Notes

Chronograph for Engineering Purposes, with the Hipp Escapement

The Heloderma Horridum

New Key Ring

Metallurgical Inventions

Miscellaneous Inventions

Agricultural Inventions

Electrical Invention

Engineering Inventions

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Textile Invention

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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