A copy of the claims of any patent issued since 1836 will be furnished for $1.
When ordering copies, please to remit for the same as above, and state name of patentee, title of invention, and date of patent.
A pamphlet, containing full directions for obtaining United States patents sent free. A handsomely bound Reference Book, gilt edges, contains 140 pages and many engravings and tables important to every patentee and mechanic, and is a useful hand book of reference for everybody. Price 25 cents, mailed free.
Address
MUNN & CO.,
Publishers SCIENTIFIC AMERICAN,
37 Park Row, N. Y.
BRANCH OFFICE—Corner of F and 7th Streets, Washington, D. C.
