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Features

Electrical Indicator for Showing the Rotation of the Earth

By George M. Hopkins

Progress of our Western Industries

The Elevated Railroad Nuisance

Steam Boilers

Scientific American Export Edition for June

Transmitting Power by Electricity

The Eothen Arctic Expedition

The Decline of the Whaling Industry

Patent Matters in Congress

Horizontal Condensing Engine at the Paris Exhibition

Mr. Thomas A. Edison

Patteson's Improved Car Coupling

Astronomical Notes - July 6, 1878

By Berlin H Wright

Improved Self-Oiling Car Wheel

Radial Drilling Machine

Improved Wrench

The Whitehead Torpedo

Edison's Telephonic Researches

Departments

  • Departments

    Business and Personal - July 6, 1878

  • Notes and Queries - July 6, 1878

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July 06, 1878

Think Outside the Gift Box