Scientific American Magazine

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

Science Familiarly Illustrated

Brown's Fruit Gatherer

Taylor and Lafferty's Broom Head

Griswold's Support for Window Sashes

White's Washing Machine

The Cost of Electric Light

Endless Rubber Polishing Belt

Life-Saving Inventions

Recent American and Foreign Patents

Answers to Correspondence

Morris' Self-Oiling Box

Another New and Remarkable Textile

Modes of Working Wood

The Price and Prospect of Bread

The Gulf Stream and the Cuba Telegraph

Condition of the Patent Office

Patent Claims

Gleanings from the Polytechnic Association

New Publications

Extension Notices

Correspondence

Business and Personal