Zinc and tin, 1869.

UNITED KINGDOM - NOVEMBER 20: Silicate of zinc (smithsonite), Cumberland; smithsonite, Stolberg, Germany; carbonate of zinc (calamine), Vieille-Montagne, (probably the zinc town in Belgium); sulphide of zinc (blende, sphalerite), Kapnik, Hungary; oxide of tin (tin-stone), Morbihan, France. Illustration from �Underground life, or, Mines and miners� by Louis Simonin (1830-1886), published in London in 1869. (Photo by SSPL/Getty Images)