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Improved Torpedo Boat Engines

Northeastern Railway—Bridge over the River Wear at Sunderland

The First Steamboat

Proposed Railways in Mexico

A Miner's Daring and Endurance

Salmon & Crossland's Stone Grinding and Polishing Machine

Artists' Homes, No. 8

How a Fast Racer Troth

Theories Regarding a Gradual Development of the Sense of Color

The Tea Trade of the United States

The Egg Trade

Continental Libraries

Where the Oleomargarine Goes

The Tide of Immigration

The Population of the Earth

Extraction of Grease from Wool

Brief Review of the Most Important Changes in the Industrial Applications of Chemistry within the Last Few Years

Materials and Processes Connected with Clothing

Scientific Notes

A New Optical Milk-Testing Apparatus

Ozone in the Air

Assembly of German Natural Scientists, 1880

Apparatus for the Manufacture of Gas by a Cold Process

By H Heckel and O. Ottmann

Ancient American Pottery

Ancient Warriors Uncovered

Scale Insects

The Animals of the Deep Sea

A Newly–Discovered Oasis

Some Natural History Notes Regarding the Jews

Mexicans as a “Primitive People”

Cattle and Dairy Interests of Kansas


Easy Methods of Detecting Blood-Stains

By D. S. Kellicott


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    January 01, 1881

    The Antidote to Anti-Intellectualism