The bicycle...

SCIENTIFIC AMERICAN, New York, April 10, 1869  This 16 page issue contains illustrations, accompanied by text, of the latest inventions of the day including: "Progress of the Velocipede", "Conarroe's Buckeye Ditching Machine", "Little's Stove Funnel Cap and Ventilator", and "Gross' Patent Combined Letter Opener" and additional illustrations, articles and advertisements.
This is complete in 16 pages and is in very good condition.