Inside Out Library · Explore
Scientific American, Vol. 46, No. 1 (1882) (1882)
leaf 1
ell. ; pire, the art of engraving on gems met with the same fate. The diamond used on the wheels is crushed and powdered It was revived in Italy in the beginning of the fifteenth cen- which consists essentially of a stiff piece of white cardboard, covered with artificial or paper parchment prepared… … history. which _carbonizes ENGRAVING PRECIOUS STONES, © 1882 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 46, No. 1 (1882)
More like this
