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Garbage Cremating Furnace

Boiler Explosion Notes

The Preservation of Eggs

Loan Exhibition of the Ohio Mechanics' Institute

The Jeannette Relief Expedition

New Strainer for the Outlet of Tubs and Basins

Novel Chart Rack

Engineering Inventions

An Improvement in Horse Collars

Improvement in Steam Boiler Furnaces

Electric Induction by Stress

Recent Inventions - July 2, 1881

New Road Scraper

Porcelain Urn

Agricultural Inventions - July 2, 1881

The Prospects and Present State of Photography in Natural Colors

In Two Chapters

Miscellaneous Inventions - July 2, 1881


  • Departments

    New Inventions - July 2, 1881

  • Correspondence - July 2, 1881

  • Business and Personal - July 2, 1881

  • Index of Inventions - July 2, 1881

  • Notes and Queries - July 2, 1881

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