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 310
to 44 of peroxide of manganese.* Therefore, if we take a solution of copperas, containing 278 grains in 1000 water grain measures, that volume of liquid will represent, by the conversion of its protoxide into peroxide, exactly one atom, either of peroxide of manganese == 44 grains, or 1 atom of… … ganese present in the sample ; or being multiplied by 36, a product which will denote the quantity of chlorine by weight which 100 grains of it can serve to generate. Since one atom of pure manganese (44 grains), in producing 36 grains of chlorine, consumes 2 atoms = 74 grains of hydrochloric acid,…
Industrial arts · Technology
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-492-258.webp)
