— Copper, Brass, and Tombac, [323]
— Fluids, [322]
— Fluid for Aluminum, [324]
Etching, Fluid, for Brass, [323]
— — — — to Make Stencils, [323]
— — — for Copper, Zinc, and Steel, [324]
— — — for Gold, [324]
— — — for Lead, Antimony, and Britannica Metal, [324]
— — — for Tin or Pewter, [324]
— — — for Zinc, [323]