Scientific American Magazine Vol 43 Issue 18

Scientific American Magazine

Volume 43, Issue 18

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Features

New Recording Galvanometer

M. Hopkins

Leveling Attachment for Earth Cars

What We Buy and Sell Abroad

The Telephone on the Battlefield

Destruction of Oysters by Petroleum

Blight of Pear Trees

T. J. Burrill

New Hammerless Gun

Toothed-Wheel Wire Fence

New Chimney Cap and Ventilator

Improved Nursery Chair

Agricultural Inventions

The Fan-Tailed Poodle

Mechanical Inventions

Davey's Simplex Motor

Apparatus for Determining the Electric Charges of Falling Rain

The Dowd Tunneling System

Note on Turpentine, Rosin, and Allied Products

History of Elevated Railways

Homicide in the United States

Departments

New Inventions

Notes and Queries

Index of Inventions

Business and Personal