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Features

Explosives

Matter as a Mode of Motion

Panama Hats

Curious Capillary Phenomena

The Protection of Woodwork

The Bartholdi Statue of Liberty

Mechanical Inventions

Improved Picture Hanger

Improved Rotary Pump

Engineering Inventions

Miscellaneous Inventions

Amateur Mechanics

Lens Making

Fonvielle & Lontin's Electrical Motor

American Industries.--No. 50

The Wall Paper Manufacture

The Demand for Heavy Horses

Simple Key Fastener

The Holland Hydrocarbon Retort

The Mouse-Eating Spider at the Zoo

Natural History Notes

Agricultural Inventions

Japanese Art

Capt. Dobbins's Self-Righting Life Boat

Departments

  • Departments

    New Inventions

  • Business and Personal - July 24, 1880

  • New Books and Publications - July 24, 1880

  • Notes and Queries - July 24, 1880

  • Index - July 24, 1880

  • Patents - July 24, 1880

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