***** "Metal Laundries" -- ***** "Laundries" are now operating in ***** and metal objects of all kinds ***** and rusty - are being sent to the ***** and returned shining and clean ***** good as new, by the "Derustit" *****. ***** is an electro-chemical ***** for removing rust, corrosion and ***** outside surface deposits from metal. ***** not attack the metal in any way ***** complete mechni machines and assemblies often be de-rusted with out being *****. ***** process is the result of research ***** during the war with the object of **** guns, machinery and other ***** damaged by water or exposure. **** estimated that the process will save *****. April 10, 1951.