id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
38481	Various	Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures			.txt	text/plain	43970	2975	75	The new air compressor herewith illustrated may be operated by steam receive and force the compressed air through check valves placed Text of the New Law for Patents, passed July 1, 1877, covering all I., have patented, May 8, 1877, a new process of utilizing tin scrap, engine is going forward) until the steam port at the front end of the is placed in the center punch mark, the operator with the other end In Fig. 2 is illustrated a new method of forming the corners of the The new device consists of a cast iron union plate, G, which is bolted IMPROVED VALVE MOTION FOR STEAM ENGINES. Henry Haering, New York city.--This is an improved device for operating the slide valve of a steam engine from the piston rod of All kinds of new Lift and Force Pumps for all purposes, at half price, asks: Can a steam engine be worked with compressed air	./cache/38481.txt	./txt/38481.txt