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Features

Machine for Beveling Carte de Visite Frames, New Substance for Soling Shoes, and more

Hardening Saws and Other Articles

Dr Velcker on Disinfectants

New Inventions

The British Mint

The Workshops of Clinton Mass

Lake Superior Mining

The Algonquin and Winooski--Official Report of the Chief Engineers

Bellingrath's Pump

Fowler's Packing for Oil Wells

Information Wanted

Coffee

A Happy Family

Patent Claims

Quits Hoop Look

Mechanics

Departments

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    Correspondence

  • Notes & Queries

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