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Scientific American Magazine Vol 46 Issue 1

Scientific American Magazine

Volume 46, Issue 1

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Features

Stone Engraving

New Laws for Analyzing Food and Drugs

The Loss of the Jeannette

English as the Speech of the Future

Improved Car Coupling

Improved Filter

Improved Power and Hand Presses

Improved Car Truck

Miscellaneous Inventions - January 7, 1882

New Fret Sawing Machine

Improved Punch and Shear

The Ætna Pattern Grate Bar

Improved Thill Tug

Improved Fire Escape

Communications Received - January 7, 1882

Departments

Recent Inventions - January 7, 1882

New Inventions - January 7, 1882

Correspondence - January 7, 1882

Business and Personal - January 7, 1882

Index of Inventions - January 7, 1882

Notes and Queries - January 7, 1882