Word: signalizes
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Dates: during 1920-1929
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...laboratories have invented an instrument to register the presence of as little as one part of mercury in 20,000,000 parts of atmosphere. Before the poison is detected by symptoms of illness in drooping employes, a coating of yellow sulphide on a strip of paper gives the signal by turning black (the result of contact between selenium sulphide and mercury). The degree of blackness is photographed by shining a light through the strip of yellow sulphide. If the sulphide has turned dark, less light will penetrate; if black, no light will penetrate. This is recorded on an ammeter legible...
...held this week, the football season is still very much in its experimental stage. Especially is this true in the case of the ends and the quarterbacks. With a large number of strong ends and no veteran quarterbacks, Coach Arnold Horween '21 yesterday decided to strengthen his supply of signal callers at the expense of the wingmen. G. K. Brown '28, who has been playing regularly on teams A and B was shifted, temporarily at least, to quarter at the conclusion of the morning session...
...relative standing of the remaining ends is still a matter of much speculation. In the morning signal drill W. W. Lord '28 and B. H. Strong '28 held down the team A flank positions, while J. L. Coombs Occ, and John Prior '29 were the team B choices. In the afternoon Lord was again on team A with Prior as his running mate and Coombs and R. H. O'Connell '30 on the second combination. Two scrub team fackles, T. H. Alcock '28 and F. S. Davis '30 were taken up to the University squad at the conclusion...
...Signal Drill in Morning Session...
...morning session yesterday Coach Horween limited work to signal drill the first eleven lining up as follows: John Prior '29 and G. K. Brown '29 ends; C. A. Pratt '28 and F. A. Clark '29, rackles; Daniel Simonds '28 and Guilford Stewart '28, guards; R. W. Turner '28, center; D. V. Kelley '28, quarterback; David Guarnaccia '29, J. P. Crosby '29, and T. G. Moore '29, backs. The same team, with the exception of W. W. Lord '28 and B. H. Strong '28 at ends, went in at the start of the afternoon scrimmage...