n r Nr t r, v i r ix i; MRIDAY, 'NOV. 20,1I939' King Winter Conquers Niagara Falls in First Frost Baxter Writes First Bulletin Oil Patholnav P Fo pl. 00 " JEy lantation Fungi, Disease, Discussed In Circular By Forestry Worker The development and succession of orest Fungi and Diseases in Forest antations, the first in a series of :casional publications by the for- One - Twenty- Millionth Of inch Measured By New Gauges Here War Department Installs Professor Boston, to train men in the An AcLabuse of the instruments on -any ob- jects they wish. Industrial corpora- In Engineering School tions make frequent use of the gauges when there is an argument about the Instruments so fine they can vir- measurement of some machine. At tually measure the glint of light in present the laboratory is working on a problem submitted by the chem- one's eye-so accurate they can meas- istry department. The chemistry de- ure a substance up to one-twenty- partment measures the electrical re- millionth of an inch, are now at the sistance of liquids by means of glass disposal of the College of Engineer- cylinders. The problem is to measure ing, having been installed by the the inside of the cylinder all the way United States War Department. through to see if there are any ridges These gauges which use rays of or depressions. light for rulers can measure the de-, Professor Boston showed blocks gree to which a steel bar five inches so smooth they could not be pulled in diameter and thirty inches long apart and could be separated only by is bent by a man's finger pressure. sliding. Tlus, in measuring an article, pres- sure and one's body temperature must b i I I I t -Associated Prees Photo A freezing wind and a bright sun produced this spectacular scene at Niagara Falls, the season's first freeze. Trees on Luna Island in the foreground wore a veil of frozen spray. In the background are the American Falls, the mist from which froze as it arose and settled on the landscape. Cissell Favors Straits Bridge For Mackinac (Continued from Page 1) accomplished, The detailed study of the situation by engineers shows that while undeniably a giant project, the bridge can without question be suc- cessfully constructed." Because of deep water, Professor Cissell explained, the shortest dis- tance between the shores was deemed undesirable. The shortest route is slightly under four miles, he said, but the line that was chosen is 5.17 miles and directly connects Mackinaw City and St. Ignace. This route takes ad- vantage of many hundred feet of shoals where the water is quite shal- low, Professor Cissell stated, and this would make the construction consid- erably easier. Ask Two-Lane Highway, "The plans drawn up by the en- gineers working for the Mackinac Straits Authority call for a two lane highway for automobiles and a single track for railroad purposes, Profes- sor Cissell said. "The longest span would be 1,700 feet long and would have a clearance over the water of 150 feet, enabling steamer traffic to pass beneath." The piers that support this long- est span would have to be located in the deepest water along the route- about 180 feet. This is comparatively favorable when compared with some of the piers that were sunk in the construction of the San Francisco- Oakland bridge which is now open to traffic, Professor Cissell said. Piers Under Water Professor Cissell has communicat- ed with Charles A. Andrew, chief en- gineer of the San Francisco-Oakland bridge regarding the proposed stratis bridge and Mr. Andrew was of the opinion that the Michigan job should not hold great difficulties. According to Professor Cissell, piers were con- structed on the West Coast that went a depth of 240 feet. Mr. Andrew added that from observations during the construction of the San Fran-' cisco-Oakland bridge, there was every good reason to believe that piers could be built as far' as 300 or more under the surface of the wa- ter. The bottom is extremely good for construction purposes, Professor Cis- sell said, consisting in the deeper waters of lilpestone and other types of durable rock. "The present ferry system was in- augurated by the state in 1923," Pro- fessor Cissell said turning to the present method of transportation be- tween the peninsulas.. "The state's total investment in boats is about{ $690,000, and in docks about $850,-I 000, totalling about $1,540,000." estry school dealing with the research of faculty members and graduate students, is to be published in the next few weeks, Prof. Dow V. Baxter of the School of Forestry and Con- servation, author of the bulletin, said, yesterday. Results of observations of the pathology of forest plantations cov- ering a several year period are re- ported in the pamphlet, according to an explanation in the foreword by; Dean Samual T. Dana of the forestry school. Particular stress is placed on two phases of the subject. First, thej role played by adverse site factorsA to physiological ailments and attack by fungi, and second the succession of diseases that commonly occur in plantations as contrasted with na- tural stands. Dean Dana further de- clares in the foreword that the bulle-; tin is particularly timely because of, the tremendous scale on which for- est planting is now being done throughout the country. It is expect- ed by the forestry school that this re- port should stimulate further investi- gation in the little known but out- standingly important field of plan- tation diseases. Original Prints 'Are Exhibited in Alumni Hall. O iginal etchings, dry points,,wood- cuts, and lithographs which belong to the collection in the Fine Arts study room, are now on display in the South Gallery of Alumni Memorial Hall. These prints have been acquired from various sources. Among those from the set acquired through the Carnegie Corporation are one by Co- rot and two by Whistler. From a set of ten which the Institute of Fine Arts has received as members of the American College Society of Print Collectors which issues two prints each year, there are those by John raylor Arms and Alfred Hutty. Three other well known artists who are represented are Orozco, George Ross, and Reginald Marsh, be taken into account. Prof. U. W. Boston of the metal processing department of the College of Engineeringissin charge of these instruments. Courses, facilitated by this laboratory, in manufacture of artillery munitions are now givbn to members of the local University R.O.- T.C. Ordnance Unit by Major R. E. Hardy. Next year Professor Boston plans to offer a course to College of Engineering seniors. t The War Department is setting up these laboratories in various strategic spots throughout the country in an effort to prevent the recurrence of the confusion which took place at the time of the World War. At that time all the equipment for accurately measuring gun bores was located in Washington. Much valuable time was lost. The University of Michigan is in the Detroit district, declared Professor Boston. The use of the laboratory is not limited alone to war, purposes at present. It is planned, continued SMARTEST HAT SHOPPE Michigan Theatre Bldg. All Hats Reduced, c -$45-$195 Velour Velvets and Felts All Head Sizes II READ THE DAILY CLASSIFIEDS FALL FESTIVAL at SCHWABEN HALLE 217 S. Ashley St. on Saturday, Nov. 21 Good German Orchestra and all kinds of fun and refresh- ments. Bavarian Folk Dances. Starts 8:30 p.m. Everybody is invited. Admission 25c II SMARTEST HOSIERY SHOPPE Michigan Theatre Bldg. 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