1887 SCIENTIFIC AMERICAN Magazines: 2 Issues - Zeppelins / Aerial Vessels, Ships

Description

This is for a lot of 2 vintage, original Scientific American magazine from 1887.
Touts the inventions related to flying airships, zeppelins or  aerial vessels.
Standard issue for the magazine, which is usually about 15 pages for each issue and discusses the featured invention, along with other articles on relevant inventions or art, mechanics, chemistry and manufacturing/agriculture of the day.   Includes listings of patents/inventions, advertising, etc.
These are in great condition with minor edge wear and spine separation.  11 x 15 inches.