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Scientific American Magazine Vol 42 Issue 9

Scientific American Magazine

Volume 42, Issue 9

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Features

Passage by the House of Representatives of a Law for the Encouragement of Swindling

Flour Vs Bran

A New Government Bureau Proposed

The Prevention of Fires

Chastant's Observations on Yellow Fever

American Industries, No. 32

Rotary Pressure Blowers

Engineering Inventions

Improved Electric Lamp

Electrical Pressure Indicator

New Vise and Anvil Drill

Agricultural Inventions

Pumping System for Hydraulic Presses

New Cotton Picking Shade

The Pickerel Frog

C. Few Seiss

The Hyrax

Electrical Railway

Mechanical Inventions

Miscellaneous Inventions

Communications Received

The Scientific American Export Edition Published Monthly

Departments

New Books And Publications

Notes and Queries

Index of Inventions

Business and Personal

Patents