OCR Text |
Show GOOD CLEANERS FOR BRASS CASTINGS Brass castings may be cleaned in an instant by dipping them into a solution solu-tion of three parts of sulphuric acid and three parts nitric acid, to which after they have been mixed, there has been odded one quart of common salt, the whole being stirred until the salt has dissolved. If this mixture is placed in an earthenware vessel the brass castings can be dipped in it. removed re-moved immediately and rinsed in clear water The castings can be made as bright as new by this method and little' labor is Involved. |