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a; so uiia,o' Chum. meshiur, Mayo, 1979 GIVE "rHIE FUTURE A CHANCE Illll94ll " Union St. E. Waterloo 745-6773 HES-SAY. " I... - 5:30 In... J THE TREASURE l TROVE, TRUST Ml: McLean EXPERIENCE PROGRESSIVE CONSERVATIVE Authorized by the offvcual agent for Walter McLean Mr. Lebold has a wide background of experience in the field of clinical pastoral training at the London Psy- chiatric Hospital and as pas: tor and conference minister of two Mennonite conferen- Mr. Lebold succeeds Frank Epp, president of the college for the past six years. Mr. Epp is currently a Liberal candidate for Par- liament in the Waterloo Rid- tng.' _ ", Conrad Grebe! selects president Ralph behold, a native of Waterloo County, will be- come Conrad Grebel Col- lege’s third president. His term of office will begin July I, 1m. Mr. Lehold and his wife, Eileen, grew up among the Amish Mennonites (now Western Ontario Mennoni- tes) of the Baden and Mill- bank areas. They and two of their children, Marvin (20) and Cynthia (14) currently reside at 97 Westmount Road South, Waterloo. A third child, Connie, (22) is married and living in Kitchener. Lebold and his wife are members of the Erb Street Mennonite Church, Waterloo. and engineering student society president. is seen (left) presenting cheque to Ann White, Big Sisters of Kitchener-Waterloo and Area. UW engineering students raised a total of $2,343.26 to support the Big Sister movement in recent months. mostly through their "bush push" down King St. The cheque represented the largest amount the Big Sisters have ever received from one group. UW engineering students were also honored recently for their help to the local Big Brother movement, in recent years. ( UW prof. and students in vent flicker meter "There seem to be a few such problems scattered here and there in virtually Do the lights in your home ever flicker when the fur- nace comes on? Most people would agree that isn't much of a problem, but in some homes it happens so frequently homeowners may become annoyed or concerned. Brad "tt fourthryoat engineering student BONUS SAVINGS ACCOUNTS Chequmg Prrvtleges GUARANTEED INVESTMENT CERTIFICATES SEE ASTRA TRUST 104 KING ST. S., WATERlOO, ONT. Nil 1P5 ACROSS FROM WATERLOO SQUARE 884-2444 - 884-2400 Lee.ariarec_srtadi_arrtimett FOR 1 YR. TERM For years power com- panies have been looking for some kind of a device with which they could check out reports of flicker in their lines, to find out when and where it is taking place and how bad it is. In short, they have needed a "flicker meter." Now they have one. Prof. Keeler and one of his students have invented and built a prototype model, They've tested it in their lab and are in the process of for- warding it to the Saskatche- wan Power Corporation (sponsor of their research) He says electric arc fur- naces, often used to melt scrap metal, are notorious olfenders. They cause large and very rapid changes in line voltages which affect other power users through- out an entire grid. every major power system in the country." says Prof. John Keeler, electrical en- gineering at the University of Waterloo. ""There are fluctuations in the power line voltage due to changes in the loading elsewhere in thepystem ... usually not in the home or homes in which the flickering occurs." K) '/2 9V20/o ktri'RA TRUST ll/h at the University of Waterloo The student is Allan Sil- burt, formerly of Downs- view, a suburb of Metro Toronto, who will be gra- duating next spring. At the moment he is in the Nether- lands working with the Phil- lips organization. The Keeler-Silburt team have come up with a small, box-like instrument that can be plugged into an ordinary electrical outlet. One can at- tach a strip chart recorder, oscilloscope, or whatever, to it and it will show what's happening. The flicker meter mea‘ sures fluctuations in vol tage, much as one would measure fluctuations in the heights of a series of waves. When the peak of the wave passes through a little "lower" or "higher" than average, the meter picks this up, Also Prof. Keeler and Mr. silburt have applied a frequency weighting to this measurement which si- mulates the human response to the flicker. It shows whether the flicker is en- for field testing and calibra- tion. _ "It's something like a sound level meter in prin- ciple," says Prof. Keeler, "but the fluctuations it mea- sures are in electrical cur- rent rather than noise." (Continued on page 31)