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Scientific American Magazine Vol 39 Issue 1

Scientific American Magazine

Volume 39, Issue 1

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Features

Electrical Indicator for Showing the Rotation of the Earth

George M. Hopkins

Steam Boilers

Progress of our Western Industries

The Elevated Railroad Nuisance

Scientific American Export Edition for June

Transmitting Power by Electricity

The Eothen Arctic Expedition

Patent Matters in Congress

The Decline of the Whaling Industry

Horizontal Condensing Engine at the Paris Exhibition

Mr. Thomas A. Edison

Patteson's Improved Car Coupling

Astronomical Notes - July 6, 1878

Berlin H Wright

Improved Self-Oiling Car Wheel

Radial Drilling Machine

Improved Wrench

The Whitehead Torpedo

Edison's Telephonic Researches

Departments

Business and Personal - July 6, 1878

Notes and Queries - July 6, 1878