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Scientific American Magazine Vol 12 Issue 14

Scientific American Magazine

Volume 12, Issue 14

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Features

Hand Drill, The Manufacture of Steel in Pittsburgh

Siemen's Furnace at Pittsburgh

The Way Rogers's Statuary is Made

Farmers' Club

Books and Publications

Special Notices

Recent American Patents

Standard Twist Drill

System

Production of Light

Illustrations of the Patent Office Reports

Improvements in the Steam Engine

Some Facts about Piano Making

Patent Claims

To Our Readers

Special Notice to Inventors

Notice to Subscribers

Departments

Correspondence