Gressel and Redwood, of London, recently patented the following methods of coating iron with ... mercury by the following process ; 12 parts of mercury, 1 of zinc, 2 of sulphate ot iron, 2 of ...

Vapor galvanizing services are used on small parts, or parts that require coating on inner surfaces. In vapor galvanizing, or sherardizing, the metal to be coated is heated inside an airtight ...