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Densmore's Improved Boiler

Dudderar's Tree Protector

Boiler Feed Pipes, Check Valves, and Cast-Iron Heads

Management of Steel

Business and Manufacturing Items

Editorial Summary

Brown's Fruit Gatherer

Science Familiarly Illustrated

Taylor and Lafferty's Broom Head

The Cost of Electric Light

Griswold's Support for Window Sashes

White's Washing Machine

Endless Rubber Polishing Belt

Life-Saving Inventions

Recent American and Foreign Patents

Answers to Correspondence

Morris' Self-Oiling Box

Another New and Remarkable Textile

Condition of the Patent Office

The Gulf Stream and the Cuba Telegraph

The Price and Prospect of Bread

Modes of Working Wood

Gleanings from the Polytechnic Association

Patent Claims

Extension Notices

New Publications


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  • Business and Personal

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