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Improved Three Wheeled Phaeton

An American Block for Watt's Monument

Submarine Blasting

The Morse Telegraph in Europe

List of Patent Claims

The Telegraph in the East Indies

Recent Foreign inventions

Artesian Well Sinking

History of American Friction Matches

Notes on Patented Inventions--No. 18

New Washing Machine

Black, the Chemist

Scientific News and Illustrations

Improved Car Wheel

A Railroad Hotel Car

Comparative View of the Cost and Contents of Scientific Publications

Recent American Patents

Good Ink

Maryland Institute for Promoting the Mechanic Arts

United States Agricultural Society

Oriental Railroad

English Patents

To Correspondents

Important Items

Resistance to Improvements

Contrivance for Milking Cows


A Martyr of Science


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