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Features

Improved Steam Carriage

Our Naval Apprentice System

Notes on New Discoveries and New Applications of Science

A Day at the Narrows

Recent American Patents

Special Notices

Improvement in the Distillation of Petroleum Oil

Kelly's Bit Fastener

King's Lathe Chuck

Improvement in Electro-Magnets

Houses for Mechanics

Transatlantic Steam Communication

Patent Claims

Issued from the United States Patent-Office

Patent Agency Office

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