SCIENTIFIC AMERICAN, from New York, dated March 13, 1869. A primary reporting article in this issue is of "The Topliff and Ely Adjustable Velocipede" which features three illustrations.

This is a complete issue in 16 pages measuring approximately 11 x 16 inches and does contain an archival mend on the page of the velocipede and a small piece missing in the left margin area of the front page in the masthead region.