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Scientific American Magazine Vol 19 Issue 6

Scientific American Magazine

Volume 19, Issue 6

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Features

Improved Portable Railway

Sunlight and Moonlight

Manufacture of Malleable Iron in Scotland

Polley's Patent Mole Trap

The American Cervus

Pierce's Device for Fastening Umbrella Coverings

Hoyt's Patent Match Box

Recent American and Foreign Patents

Algebra--Mathematics for Mechanics

American Mechanics Abroad--the Havre Exhibition

Manufacturing, Mining, and Railroad Items

New Publications

Extension Notices

Answers to Correspondents

Encke's Comet

Instruction and Amusement Combined

Should the Patent Laws be Extended to Horticulture

Thought and Expression

Measurement of High Temperatures

Hydrophobia

Death of Moses Y Beach

The Horse and Appliances for His Use

The Proposed Suspension Bridge Between New York and Brooklyn

Official Report of Patents and Claims

Editorial Summary

Our Benchtung für Deutsche Orfinder

Departments

Correspondence

Business and Personal