THE PITTSBURGH, PA., "LEADER" SAYS:

"The firm of Geo. P. Rowell & Co. is the largest and best Advertising

Agency in the United States, and we can cheerfully recommend it to

the attention of those who desire to advertise their business

scientifically and systematically in such a way; that is, to secure

the largest amount of publicity for the least expenditure of money."

* * * * *

AFTER AN EXHAUSTIVE TRIAL, at American Institute Fair for 1870,

Pratt's Astral Oil was pronounced the safest and best.

* * * * *

DYSPEPSIA: Its Varieties, Causes, Symptoms, and Cure. By E. P. MILLER,

M. D. Paper, 50cts.; Muslin, $1. Address MILLER, HAYNES & CO., 41 West

Twenty-sixth st., New York city.

* * * * *

VITAL FORCE: How Wasted and How Preserved; or, Abuses of the Sexual

Function, their Causes Effects and Means of Cure. By E. P. MILLER M. D.

Paper, 50cts. Address MILLER, HAYNES & CO., 41 West Twenty-sixth st.,

New York city.

* * * * *

Scientific American, Volume XXIV., No. 12, March 18, 1871 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 99 / 194 题