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Former Extension Northward of South America

The Grain Trade of New York

The Cost of Railway Cars

The Future of Organic Chemistry

The Use of the Jew's Ear Fungus in China

Vertical Car Wheel Borer

New Horse Clipping Machine

Miscellaneous Inventions

Practical Experiments in Magnetism, with Special Reference to the Demagnetization of Watches.--No. 2

By Alfred M. Mayer

Improved Engineer's Transit

Mechanical Inventions

The Holloway Sanatorium

The Tamarind

Japanese Bronze Vases

Recent Decisions Relating to Patents, Trade Marks, Etc.

Communications Received


  • Departments


  • New Books and Publications

  • Index of Inventions

  • Notes and Queries

  • Business and Personal

  • Patents

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October 04, 1879

Of Shamrocks and Science

Happy St. Patrick’s Day