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Features

Agricultural Inventions

Simple and Cheap Process of Gas Making

A Remarkable Little Steamer

A Strange Epidemic

The Superiority of American Watches

Navigation in Fogs

A Collision Between Large Passenger Steamers

Cannonading of Oil Tanks

Effect of Age on the Quality of Iron

Prevention of Boiler Explosions

Miscellaneous Inventions

Apparatus for Preserving Fruit

Improved Electric Lamp

Improved Watering Dipper

Novel Slate Washer

New Portable Shower Bath

Natural History Notes

Phyllirhoe Bucephala

Mechanical Inventions

The Force of Tree Growth

Sydney International Exhibition--1879-1880

Extracts from the Report of the Judges in Horology

Engineering Inventions

Aspirator and Compressor

Departments

  • Departments

    New Inventions - July 3, 1880

  • Business and Personal - July 3, 1880

  • Index of Inventions - July 3, 1880

  • Patents - July 3, 1880

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July 03, 1880

Confronting Common Wisdom