id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
11662	Various	Scientific American Supplement, No. 598, June 18, 1887			.txt	text/plain	35409	1879	70	Twin Screw Torpedo Boat.--The new sea-going vessel built by SOME RECENT HIGH-SPEED TWIN SCREWS. these high speed twin screw ships. the boss, and is particularly valuable with the screws of high speed ships. results of trials of various ships where the screws are working about the high speed twin screw vessels the ratio of pitch to diameter would be found machines, embracing many interesting forms, only recently introduced. The shuttle is perhaps the most important part of a lock stitch machine. year 1872, the Wheeler & Wilson company introduced a new hook, forming an high speeds in this machine, especially for threads possessing little _Motions of the Feeder_.--The speed attained by the fastest sewing machines styles of machines this arrangement is simplified and improved by the use machine worked by the foot appears to be 1,000 stitches per minute. machine, in which four needles and shuttles are used, sewing all the four	./cache/11662.txt	./txt/11662.txt