"Tool steel" Quotes from Famous Books
 ... permanent record of the stuff of which the ball was made. The ball itself is sealed in a tube, so that any one who is curious to see it can do so. Finding that the crushing faces were not sufficiently hard, I made two anvils of the best tool steel, and very carefully hardened them. These, though they were impressed slightly, were sufficiently good for the purpose. In the following table are the results of the ...
— Scientific American Supplement, No. 447, July 26, 1884 • Various |
