Aluminum

Examples

• Condy’s new disinfectant--permanganate of aluminum--is undoubtedly the best of the two for this purpose. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
• All the aluminum parts as well as a large proportion of the brass, are also cast in this foundry. Various. The Wonder Book of Knowledge.
• K is the cathode plate, formed of a concave disk of aluminum, which focuses the rays at a point near the center of the bulb. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The other is a pad made of aluminum which is concave on one side and convex on the other and may be used in a wet pack. Various. The Wonder Book of Knowledge.
• Percolators of this type are made by the manufacturer from sheet copper spun in perfect shape, and also aluminum spun. Various. The Wonder Book of Knowledge.
• The Cowles process heats to incandescence by the electric current a mixture of alumina, carbon and copper, the reduced aluminum alloying with the copper. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The crank case in itself is interesting because it is made from drawn sheet steel, instead of cast aluminum, as was once thought necessary. Various. The Wonder Book of Knowledge.
• Steel wire which measures 1/4 mile on a snowy day will gain 25 inches in length on a warm summer day, and an aluminum wire under the same conditions would gain 50 inches in length. Bertha M. Clark. General Science.
• They proved capable of passing through sheets of aluminum and of copper, and of discharging electrified bodies. Walter Libby. An Introduction to the History of Science.
• Hundreds of common materials like glass, rubber, iron, aluminum, etc. Bertha M. Clark. General Science.
• The turquoise, a phosphate of aluminum colored with copper, is not synthetically produced, although various experiments with its manufacture have been made. Various. The Wonder Book of Knowledge.
• The present low price of _aluminum_, reduced from $12 per pound in 1878 to 33 cents now, is due to its production by electrical methods. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The ruby, chemically considered, is crystallized alumina, or oxide of aluminum, with a small percentage of oxide of chromium. Various. The Wonder Book of Knowledge.
• The summit is crowned with a cap of aluminum, inscribed _Laus Deo_. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Aluminum was first separated in 1828 by Wohler, by decomposing the chloride by means of potassium. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.

Typist: Pierce