The Electro-Platers' Guide Or, Electro-Plating Made Easy —— A Complete Manual of Instruction in the Art of Gold, Silver, Nickle, and Copper Plating

----- Electro-Platers指南或电镀容易

ISBN: 9781332123674 出版年：2016 页码：75 Forgotten Books

It was this that prompted him to make these small batteries, so that boys and even men might take hold of one of these and learn the whole ins and outs of one of the most interesting as well as one of the most profitable trades. With one of these batte ries any one with ordinary brains can set to work and plate knives, forks, spoons, rings, and various other small articles, to the in tense interest of the whole family, who are gathered around to see the article gradually assume a silvery white appearance, and who wonder why it is they can not see the little grains of silver flying through the solution to fasten itself to the article.