Protection of iron against rust

C.
1879 Journal of the Franklin Institute  
Protection of Iron against Rust.--A varnish composed of 120 parts mercury, 10 parts tin, 20 parts green vitriol, 120 parts water~ and 15 parts hydrochloric acid of 1"2 sp. gr. furnishes a good coating ibr iron that is exposed to the weather.--Oeste~ Zeitsch. C:,
doi:10.1016/0016-0032(79)90294-1 fatcat:3cupwsjahnh2lhl3rjvz5cfpoa