Scientific American Magazine Vol 52 Issue 15

Scientific American Magazine

Volume 52, Issue 15

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Features

The New Orleans Exposition

Artistic Mechanics

Recent Experiments in Vivisection

The Jack of all Trades

Improved Loose Pulleys

Water Gas Ruled out of Massachusetts

Protector for Water Pipes Against Freezing

Improved Dividers and Calipers

Improved Thill Holder

Reversing Valve for Hoists, Elevators, Etc

The Hat as a Camera Obscura

Back For Piano Stools

Wire Flower Pot Holder

The "Sun" Column, Designed for Lighting Entire Paris

A Cheap Battery

Improved Construction of Vessels

A Fight for Life

Jersey Cow Mollie Garfield

The Rudder of the Alaska

Engineering Inventions - April 11, 1885

Miscellaneous Inventions - April 11, 1885

Agricultural Inventions - April 11, 1885

Departments

Correspondence - April 11, 1885

Business and Personal - April 11, 1885

New Books and Publications - April 11, 1885

Notes and Queries - April 11, 1885

Index of Inventions - April 11, 1885