PUBLISHED WEEKLY AT
NO. 37 PARK ROW, NEW YORK.
| O. D. MUNN. | A. E. BEACH. |
TERMS FOR THE SCIENTIFIC AMERICAN.
| One copy, one year postage included | $3 20 |
| One copy, six months, postage included | 1 60 |
Clubs.—One extra copy of The Scientific American will be supplied gratis for every club of five subscribers at $3.20 each: additional copies at same proportionate rate. Postage prepaid.
Remit by postal order. Address
MUNN & CO., 37 Park Row, New York.