CUTTING AND POLISHING ROCK SECTIONS. 473 … steel, will not touch it ; benzoline ; a broad and shallow glass dish, you can indeed, nothing but the diamond and a few other make it by cutting off the top of a tumbler or other precious stones will prove superior to its bite. We drinking glass ; a confectioner's straight-sided small will suppose…
Industrial arts · Handicraft
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Wedding's Basic Bessemer Process. Translated [from the supplement to the author's Darstellung des schmiedbaren Eisens” entitled, “Basische Bessemer oder Thomas Process”] ... by W. B. Phillips ... and E. Prochaska ... With a supplementary chapter on dephosphorization in the basic open-hearth furnace, by E. Prochaska (1891)](https://img.insideoutlibrary.com/img/200/bl-bl_003874923_0-152-2.webp)