Word: profs
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...Sever 17 Gay-Olt Sever 18 Parker-Ziselman Sever 23 English 63a Almy-Chan Sever 5 Cluett-Gohdes Sever 6 Goodspeed-Koch Sever 7 Lockwood-Potts Sever 8 Pratt-Young Sever 11 Fine Arts 1a Fogg Lect. Rm. Fine Arts 2b Fogg Small Rm. French 1, I, II, III Prof. Hawkins, 1 Sever 24 Mr. Kelsey, 2 Sever 20 Mr. Penny, 3 Adams to Pendergast Sever 19 Rote to Viehe Sever 24 French 3 Mr. Denkinger's Section 2 Emerson D Mr. Raiche's Sections 3, 4 Emerson D Mr. Pillionnel's Sections 1, 5 Emerson J German 8 Sever...
...waves is destroyed. In the case of light, this means a dark place or shadow. When the light rays are received upon a given surface, visible dark lines are formed by the interference of the waves. Using this device in Southern California, last year, experiments were made by Prof. Michelson which measured the speed of light-now given as 186,000 miles a second-with a possible error of only 20 miles per second. A light and the interferometer were placed on one peak. A mirror was placed on a peak 20 miles distant. By receiving rays direct from...
...Then Prof. Michelson proceeded to describe an experiment which has been in progress for some months on a prairie just west of Chicago (TIME, Aug. 11). There a rectangle of 12-inch pipe, almost a mile in perimeter, was laid down. Its greater dimension extends from east to west. This pipe was sealed and the air exhausted. Mirrors were placed in the corners so that a beam of light would be reflected completely around it. In one corner an arc light was placed, the beams of which, split by mirrors, were reflected around the rectangle in opposite directions...
...Prof. Michelson was nearing the end of his lecture. He told of the difficulties the experimenters encountered. An air leak developed in the pipe and some hundreds of joints had to be repainted. The jars of a train moving more than a mile away disordered the delicate instruments. Much of the work had to be done at night and in the early hours of the morning to avoid mechanical difficulties...
Skull surgery (trepanning) was successfully practiced by prehistoric people in Michigan according to the evidence of skulls found there.-Prof. E. F. Greenman, University of Michigan...