DISCLAIMER.

SOLAR CAMERA.--David A. Woodward, Baltimore, Md. Letters Patent No.

16,700, dated February 24, 1857; reissue No. 2,311, dated July 10,

1866. Filed February 23, 1871.

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CITY SUBSCRIBERS.--THE SCIENTIFIC AMERICAN will be delivered in

every part of the city at $3.50 a year. Single copies for sale at the

News-stands in this city, Brooklyn, Jersey City, and Williamsburgh,

and by most of the News Dealers in the United States.

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RECEIPTS--When money is paid at the office for subscriptions, a

receipt for it will be given; but when subscribers remit their money

by mail, they may consider the arrival of the first paper a bona-fide

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Scientific American, Volume XXIV., No. 12, March 18, 1871 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. · 第 125 / 194 题