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Improved Safety Generator and Portable Engine

Some Useful Hints

Surface Condensation for Marine Engines.--The Loss by “Blowing Off”

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

Extension Notices

Answers to Correspondents

Closing of the Volume--Index and Title Page

The Scientific American.--Commencement of a New Volume

Wood Engravings--How They Are Made

Petroleum for Steamship Boilers--The Rpeort of the Navy Department

Improvements in Steam Engines Since the Time of Watt

Official Report of Patents and Claims

Pending Applicatons for Reissues


  • Departments

    Editorial Correspondence

  • Business and Personal

  • Patents

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