id author title date pages extension mime words sentences flesch summary cache txt 17755 Various Scientific American Supplement, No. 717, September 28, 1889 .txt text/plain 43492 1905 66 working results obtained in carrying out a retort process.--2 The process of welding and forging a crank shaft of large diameter now purpose, being easily worked, impervious to water, and yielding a fine In olden times ammonia was principally obtained from animal matter, works, in which sulphate of ammonia was obtained as a by-product. experiment carried on by a mixture of nitrogen or air with steam a great range of temperatures, we never obtained a trace of ammonia by attention from this time to the process for obtaining ammonia by means investigations I have found means to produce ammonia at small cost and Among the processes for obtaining ammonia from the nitrogen of the air ordinary producer gas, and would pay to a large extent for the coal The quantity of steam thus required to obtain a good yield of ammonia hot water obtained in this second scrubber is passed through a vessel ./cache/17755.txt ./txt/17755.txt