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Foot Bridge Across Broadway, Chilled Shot

Something About Clocks

New Publications

Trade Marks--Gillott's 303

A New Method of Saponification

The Cotton Manufacture--Ring Spinning and Dressing

The Markets

Editorial Summary


Keiler's Lamp Chimney Cleaner

Pulley Suspension Hook

A Method of Controlling the Products of the Bessemer Process

Prepared for the Scientific American by Dr. Adolph Schmidt

Science Familiarly Illustrated

Recent American and Foreign Patents

Manufacture of Beet Sugar

By Joseph Hirsh

Answers to Correspondents

Wilson's Clasp Hold-Back Iron

Davis's Improved Propeller Screw

The Glacial Theory and the Tropical Glaciers

Letter to Mechanics and Inventors

The South American Mediterranean

When and Where Does the Day Begin?

Patent Claims

The Right to Free Highways

Extension Notices

White's Cylinder Oil Cup


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