Scientific American Magazine Vol 39 Issue 7

Scientific American Magazine

Volume 39, Issue 7

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Features

Holly's New Pumping Engine and Automatic Pressure Regulator

The Eclipse of the Sun, July 29, 1878

Steam on Common Roads

Not So Many Out of Work

Progress of Labor Saving Machinery in the South

Where Our Inventors Live

The Partition of Turkey

The Discouragement of Invention

Artificial Indigo

New Cotton Spooling Machine

A New Working Glove

New Corn Plow and Marker

Electro-Magnetic Burglar Alarm Safe

Tin Shafting Cup

The Musical Mechanism of the Cincinnati Organ

Electrical Indicator for Showing the Rotation of the Earth

Geo. M. Hopkins

First Impressions of the Eclipse Observations

The Lechner Mining Machine

The Lyre Bird

New Bridge Over the Douro River, Portugal

Ices and Ice Creams

The Manufacture of India Rubber

Astronomical Notes

Berlin H Wright

Departments

New Books and Publications

Notes and Queries

Business and Personal

Index of Inventions

Patents