Word: linearities
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...Mathematical Club. "Some Intimately Related Linear Problems," by Professor R. G. D. Richardson, of Brown University. Conant Comm Room...
...simple linear quantitative relationship between the exact amount of radioactivity and the atomic weight was found. The ultra-violet spectrum of a typical specimen appeared to be exactly identical with that of ordinary lead. The necessary inference seems to be that lead from radioactive sources consists of a mixture of at least two substances, of which one is ordinary lead. The foreign substance must be very similar to ordinary lead and very difficult if not impossible to eliminate by chemical means; for many precautions were taken to purify the samples. This substance cannot be identified in the ultra-violet spectrum...
...taking has recently been filed and work begun on the Boston embankment, extending from the Cambridge bridge along the Boston shore as far as the southerly side of the Back Bay fens. Construction work on section one of the embankment comprises 2700 linear feet of retaining wall and about the same length of earth embankment. The Commission will soon receive bids for the work on section two, which is located back of Beacon street. Along the wall, south of the Cambridge bridge, the esplanade will vary in width from 180 to 300 feet, and the portion in the rear...
...calculations for the work are as follows: earth excavation, 340,000 cubic yards; masonry, 43,825 cubic yards; filling, 390,000 cubic yards; piling, 470,000 linear feet; pine lumber, 235,000 feet; spruce lumber, 550,000 feet; riff raff, 9, 700 tons. There will be two locks in the dam, the larger being 350 feet in length and 45 feet wide, and of sufficient depth to allow a vessel drawing 16 feet of water to pass through at low tide. The smaller lock will be suitable for launches and row boats. Eight sluices will be provided, and in emergencies...
Mathematics 21e--Linear associative algebra. Primarily for graduates. Mon., Wed., Fri., at 11. Professor J. M. Peirce...