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Results of the Greely Expedition

Iceland.—Mr. Thoroddsen's Geological Explorations

Yellowstone National Park

The Useful Minerals and Rocks

The Origin of Bitumens

By S. F Peckham

Red Sunsets

The Teredo and its Work

The Musk Rat (Fiber Zibethicus)

By E. Gregory

Antiquity of Man in America

The Phylloxera of the Oak

Lifting Wheels for Copper Mines

An English Testing Laboratory

The Dynograph Car

Mortars and Cements

By Job Tuthill

The New Aqua-Aerial or Wave Ship

Utilization of Sawdust

Filter for Sugar-Manufacture of Sugar without Boneblack

Zinco-Starch Vaseline Paste

Growth of Electrical Science

Apparatus for Instantaneous Photograph

Experiments on Electric Lighting, at Brest, for the Defense of Passes

On Electricity and its Present Applications

By W. Fraser

A Hint to Shippers of Apples

Geometric Ornament

By Lewis F. Day

Electro Motors

Physics without Apparatus


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    Patents - September 6, 1884

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