"Depolishing" Quotes from Famous Books
... far beyond the mere depolishing of glass; indeed I have already said that quartz-sand can wear a hole through corundum. This leads me to express my acknowledgments to General Tilghman, who is the inventor of the sand-Blast. [Footnote: The absorbent power, if I may use the phrase, exerted ... — Fragments of science, V. 1-2 • John Tyndall |