SCIENTIFIC AMERICAN

International Tract and Missionary Society · Oakland, California · Dec 16, 1889

FromSigns of the Times, Vol. 15, No. 48.

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. Best class of Wood Engravings. Published weekly. Send for specimen copy. Price $3 a year. Four months' trial, $1. MUNN & CO., PUBLISHERS, 361 Broadway, N.Y.

ARCHITECTS & BUILDERS

Edition of Scientific American.

A great success. Each issue contains colored lithographic plates of country and city residences or public buildings. Numerous engravings and full plans and specifications for the use of such as contemplate building. Price $2.50 a year. 25 cts. a copy. MUNN & CO., PUBLISHERS.