An economical plan for examining the merits of the Velocipede, or Swift Walker, and a chance of obtaining one of five shillings / R. Childs, secretary. [ca. 1818. 1 sheet, ms. signed, with ink and colour wash drawing of machine and rider. A call for subscriptions to a five-shillings-per-stake lottery, with the velocipede as prize. Bears signatures of forty subscribers. Watermarked 1818]