Scientific American, Vol. 55, No. 9 (August 1886)
An issue of the weekly American technical magazine Scientific American, published by Munn & Co. in New York in August 1886 for engineers, inventors and patent-minded readers. The engravings show shop machinery, engines, boilers and apparatus in plain elevation, some in heavy solid black silhouette, others in fine ruled tone with cast shadows and column-width captions.























