Skip to main content

Features

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

Answers to Correspondents

Extension Notices

Closing of the Volume--Index and Title Page

Wood Engravings--How They Are Made

The Scientific American.--Commencement of a New Volume

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

  • Departments

    Editorial Correspondence

  • Business and Personal

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
December 21, 1867