Published by E. G. Wright & Co. 1872 (patent), Cincinnati, OH, 1872
Seller: Eclectibles, ABAA, Tolland, CT, U.S.A.
An 11 3/8" x 6 1/4" broadside promotion for the Lightning Calculator. It describes the functionality as so simple a child could understand it. It provides invaluable secrets of bookkeeping and arithmetic for every merchant among other things. Concludes with testimonials from the New York Evening Post, Scientific American, Louisville Daily Journal, New York Ledger and the New York Times. Priced at 50 cents or five (5) for $2.00. Decorative devices on border. Reverse is blank.