PATENT CLAIMS—Persons desiring the claims of any invention which has been patented within fourteen years, can obtain a copy by addressing a letter to this officemdash;stating the name of the patentee, and enclosing one dollar as fee for copying PATENTEESmdash;Remember we are always willing to execute and publish engravings of your inventions, provided they are on interesting subjects, and have never appeared in any other publication. No engravings are inserted in our columns that have appeared in any other journal in this country, and we must be permitted to have the engraving executed to suit our own columns in size and style. Barely the expense of the engraving is charged by us, and the wood-cuts may be claimed by the inventor, and subsequently used to advantage in other journals. BACK NUMBERS AHS YOMIMKSMDASH;In reply to many interrogatories as to what back numbers jtndjvo lumes of the scientific American caa be furnished, we make the following statement:mdash;Of Volumes 1, 2 and 3mdash;none. Of Volume 4, about 20 Nos., price 60 cts. Of Volume 5, all but four numbers3 price, in sheets, $1. Of Volume 6, all; price in sheets, $2; bound, $2,75 Of Vol. 7, all; price in sheets, $2; bound, $2,75. Of Vol. 8, all the back numbers to January 1st (No. 16), but none previous. GS-IYE INTELLIGIBLE DIRECTIONSmdash;We of ten receive letters with money enclosed, requesting the paper sent for the amount of the enclosure, but no name of State given, and often with the name of the post office also omitted. Persona should be careful to write their names plainly when they address publishers, and to name the post office at which they wish to receive their paper, and the State in which the post office is located. PATENT LAWS, AND GUIDE TO INVENTOBS.mdash;We publish, and have for sale, the Patent Laws ofthe United States. The pamphlet contains not only the laws but all information touching the rules and regulation of the PatentOffi.ee. Price 121-2 cts. per copy.
This article was originally published with the title "A Chapter of Suggestions, &C."