Scientific American Magazine Vol 40 Issue 21

Scientific American Magazine

Volume 40, Issue 21

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Features

Purifying Rancid Butter

American Industries, No. 13

The Manufacture of Wire

Three Successful Efforts

New Process for Preserving and Ornamenting Iron

The Electric Light in Paris

The Mental Requirements of Modern Enterprises

Prof. Bert's New Anæsthetic

The World-Circuit and Time Puzzle

Who Originated the Atlantic Cable?

Moulding, Carving, Paneling and Dovetailing Machine

A New Satchel Desk

Improved Microphones

A Simple Ellipsograph

S. W. Balch

Engineering Inventions - May 24, 1879

Recent American Patents - May 24, 1879

Improved Stock and Dies for Pipes and Bolts

A New Flour, Grain, and Bolting Cloth Inspector

Miscellaneous Inventions - May 24, 1879

A New Rotary Engine

The Orchis Family

The New York Academy of Sciences

A Rich Chair

The Brown Desmognath

C. Few Seiss

A Sensible Fashion

To Inventors - May 24, 1879

Communications Received - May 24, 1879

Departments

Correspondence - May 24, 1879

New Books and Publications - May 24, 1879

Business and Personal

Notes and Queries - May 24, 1879

Index of Inventions - May 24, 1879

Patents - May 24, 1879