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The Ice Trade

Novel Device for Heating and Ventilating Rail Road Cars, Improvement in Mandrels for Turning

Johnson & Froggott's Patent Horse Shoe

Can Water be Solidified by Pressure?

Chromo Lithography

Editorial Summary

Recent Americans and Foreign Patents

Answers to Correspondents

Manufacturing, Mining, and Railroad Items

Proposed Railroad Suspension Bridge Across the Hudson River, East Indian Opium.

A British American Inter-Oceanic Railway

Alcohol its Nature, Uses, and Effects

New and Important Patent Office Rule

The North Pole and its Seekers

Prehistoric Archeology

American Silk Manufacture

Patents and Claims

Isued by the United States Patent Office

Weather Prophesying

Literature for Workingmen

New Publications


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  • Business and Personal

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