id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
18866	Various	Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures			.txt	text/plain	39039	2861	75	HOW OUR PATENT LAWS PROMOTE AND IMPROVE AMERICAN INDUSTRIES. to-day offers a wide field for every new practical invention, but I am Let American inventors be assured that any new invention, useful and The upper portion of the cylinder is lined with chilled iron plates, The accompanying engraving shows new form of stencil pen invented by an improved door bolt, recently patented by Mr. Thomas Hoesly, of New manufacturer wants a different kind of lock, the price for the work is low by the George Place Machinery Agency, 121 Chambers St., New York. P. Vertical Engine and Boiler (New York Safety Steam machine described in the SCIENTIFIC AMERICAN SUPPLEMENT patented? patent desired, and remit to Munn & Co., 37 Park Row, New York city. 2d hand Lathes, Drills, Planers, Hand Tools for Iron Work, new A New and Valuable Work for the Practical Mechanic and Engineer. MANUFACTURED by our NEW PATENT PROCESS.	./cache/18866.txt	./txt/18866.txt