Recent improvements in arts, manufactures, and mines : being a supplement to his Dictionary (1844)
Ure, Andrew, 1778-1857, Ure, Andrew, 1778-1857. Dictionary of arts, manufactures, and mines · London : Printed for Longman, Brown, Green, and Longmans · leaf 307
on the principle of estimating alkalinity, acidity, and the oxygen in manganese (or chloro- metry) by the weight of carbonic acid gas evolved. As in taking these measures the gas must be discharged without carrying water off with it, an elegant and ingenious little piece of apparatus has been… … • that the sulphuric acid contained in b ascends into * The expulsion of the gas may be completed by surrounding the flask with a towel dipped in hot Water.
Industrial arts · Technology
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
