size 10×12 inches; price, Five Dollars in the United States; or One Guinea in Great Britain.
Sent free of postage upon receipt of price, to any country within the Universal Postal Union.
EADWEARD MUYBRIDGE,
University of Pennsylvania,
Philadelphia, U.S.A.
Or, at 10 Henrietta Street,
Covent Garden, London.
To convert the circles of figures into a
ZOOPRAXISCOPE,