"Grainy" Quotes from Famous Books
... spongy lead of the negative plate gradually assumes a "grainy" or "granulated" appearance. The lead then seems to be made up of small grains, like grains of sand, instead of being a smooth paste. This action is a natural one, and is due to the gradual increase in the size of the particles of the lead. The plate loses its porosity, the particles cementing ... — The Automobile Storage Battery - Its Care And Repair • O. A. Witte |