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Surface Condensers for Steam Engines
The Chemistry of Coal
Chlorine as a Disinfectant
Hearing Trumpets
Historical and Scientific Facts About Petroleum
The Ericsson Battery
Inventive Genius at the South
Progress of Color-Chemistry
Iron-Clad Vessels for the Navy--What is the Best Coating for their Bottoms?--A Government Inspector's Report
Death of a Distinguished Manufacturer
Recent American Inventions
Notes on Foreign Inventions and Discoveries
Patent Claims
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