Word: iron
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Dates: during 1900-1909
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...PHYSICAL COLLOQUIUM. "The Variation of the "Thermo-magnetic Effect in Soft Iron, with Strength of the Magnetic Field and with the Temperature Gradient." Mr. L. L. Campbell. Jefferson Physical Laboratory, Room...
...April number of the Harvard Engineering Journal contains the following articles: "Synchronous Motors," Professor C. A. Adams of the Engineering department; "The New York Subway," S. U. Hopkins '97, assistant engineer of the public service commission, New York City; "Testing Flat Cast Iron Plates," by S. Withington '06 and F. R. Pleasanton '06; "The Harvard Engineering Society of New York," H. M. Hale...
...plan of supporting the telescope in position is the same as that devised by Dr. Common, but changes have been made in method of observation and mechanism of control. Instead of being mounted on pedestals of cast iron, cement or masonry firmly built into the ground, as most large telescopes are, it rests on a great hollow cylinder immersed in a tank of water. A tank lined with thick walls of solid concrete was first sunk in the ground, and in this receptacle, ballasted with about 10 tons of iron at its lower end, floats the steel cylinder forming...
...salaries and of the maintenance of two extra hockey rinks. Increase in receipts may be attributed to the interest account and collection of outstanding bills. Permanent improvements include chiefly the cost of building 16 new tennis courts, and the continual constructing with cinders of the road within the iron fence round Soldiers Field...
Mining and Metallurgy 27.--Iron Blast Furnaces and their Products. Lectures and reading, ending April 1. Professor Sauveur...