The Metallurgy of Lead and Silver. Part I. Lead. (Part II. Silver.)
A technical manual on lead smelting by Henry Francis Collins, published in London by Charles Griffin & Co. in 1899 for metallurgists and works engineers. The plates are line engravings of furnaces, hearths and crucibles in vertical section, horizontal plan and elevation, hatched brickwork and measured foot scales supplying precise industrial diagram vocabulary.






















































































