A new Volume of the SCIENTIFIC AMEKICAIi commences about the middle of September in eacl year. It is a journal of Scientific, Mechanical, arid other improvements ; the advocate of industry in al its various branches. It is published weekly in i form suitable for binding, and constitutes, at the enc of each year, a splendid volume of over 400 pages with a copious index, and from five to six hundred original engravings, together with a great amount o practical information concerning the progress of in rentionand discovery throughout the world. The Scientific American is the most widely circula ted and popular journal of the kind now published Its Editors, Contributors, and Correspondents are among the ablest practical scientific men in the world. The Patent Claims are published weekly and are invaluable to Inventors and Patentees. We particularly warn the public against paying money to Travelling Agents, as we are not in the habit of furnishing certificates of agency to any one. Letters should bo directed (post-paid) to MDNN CO., 128 Pulton street, New Yolk. Terms ! Terms! Terms ! One copy, for One Year $2 " Six Months $1 Five copiea, forSix Months $4 Ten Copies for Six Months for $g Ten Copies for Twelve Months, $15 lifteen CopieBfor Twelve Months, $22 Twenty Copies for Twelve Months, $28 Southern and Western Money takec at par frr subscriptions, or Post Office Stamp! taken at tbtir fall ralat.
This article was originally published with the title "Mechanics"