The French Atlantic Telegraph
From Chambers' Journal
Volume 21, Issue 18
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Features
Improvement in Railroad Switches
The Manufacture of Sulphuric Acid
The Niagara Elevator at Buffalo
Some Experiments with the Great Induction Coil at the Royal Polytechnic
“Fast” Methods of Telegraphy
The Use of Counter-Pressure Steam in The Locomotive Engine as a Brake
How Mahogany is Obtained
Organic and Inorganic Substances
The Exhibition of the American Institute
The Velocipedes Out Again
The Watering of the Streets of New York with Sea Water
New Facts About the Formation of Deposits in Steam Boilers
The Preservation of Iron
Progress of American Woolen Manufactures
Great Value of Patents
Obituary—Charles B. Hutchinson
Recent American and Foreign Patents
Under this heading we shall publish weekly notes of some of the more prominent home andforeign patents.