Your ShelfYour Projects

SCIENTIFIC AMERICAN

33%

Pacific Press Publishing Company · Oakland, California · Nov 6, 1889

FromThe American Sentinel, Vol. 4, No. 41.

Read the full edition

SCIENTIFIC AMERICAN

ESTABLISHED 1845
Is the oldest and most popular scientific and mechanical paper published and has the largest circulation of any paper of its class in the world. Fully illustrated. Each issue contains from six to ten original engravings. Published weekly. Send for specimen copy. Price, $3 a year. Four months' trial, $1. MUNN & CO., PUBLISHERS, 361 Broadway, N.Y.