Used in all Petroleum by-products for water interface level. Successfully gauge all petroleum and by-products for water content. Also Sulphuric Acid, Nitric Acid, Hydrochloric Acid, Soap Solution, Salt and all other Chloride solutions.

"An excellent book by a genius," said Kurt Vonnegut, Jr., of this now classic exploration of the 1960s from the founder of new journalism."This is a book that will be a sharp pleasure to reread years from now, when it will bring back, like a falcon in the sky of memory, a whole world that is current...