PUBLISHED MONTHLY.
The Scientific American Export Edition is a large and SPLENDID PERIODICAL, issued once a month, forming a complete and interesting Monthly Record of all Progress in Science and the Useful Arts throughout the World. Each number contains about ONE HUNDRED LARGE QUARTO PAGES, profusely illustrated, embracing:
(1.) Most of the plates and pages of the four preceding weekly issues of the Scientific American, with its SPLENDID ENGRAVINGS AND VALUABLE INFORMATION.
(2.) Commercial, Trade, and Manufacturing announcements of leading houses.
Terms for Export Edition, $5.00 a year, sent prepaid to any part of the world. Single copies, 50 cents.
For sale at this office. To be had at all News and Book Stores throughout the country.