The industries of the world; a complete course of technical education for the manufacturer, operative, and all persons engaged or interested in trade and commerce (1881)
Wylde, James · London, New York, The London Printing and Publishing Company, limited · leaf 268
“ 22 carats fine that is, it contains twenty- two parts, or carats, of gold to two of copper. Absolute, or chemically pure gold, would con¬ sequently be twenty-four carats fine ; because the entirety of an ounce, or any other weight, would be composed of it alone. Therefore, generally, a statement…
Industrial arts · Technology
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
