Transactions of the Illinois State Academy of Science, Bände 1-2Illinois State Academy of Science, 1908 |
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A. R. CROOK Academy of Science active Agriculture annual anthropology Bain barrels Biology botanist Botany Burrill Champaign Chas Chemistry chemists Chicago Academy clay clay seams cliffs coal seam College collisional atmosphere Coulter Decatur direction earth ecological educational entomologist Entomologist's Office Evanston fact Field Museum fissures forest Geological Survey geologists Geology grating High School History Survey increase insects institutions interest investigation James Millikin James Millikin University Laboratory of Natural Lake light light-waves meeting methods Millikin University molecules Natural History natural history society Northwestern University opportunities orbital organization papers Ph.D Physics plants practically Prairie present President Professor resolving power river dune S. A. Forbes sand scientific Secretary shale sodium lines soil species spectral lines spectroscope spectrum Springfield symposium T. C. Chamberlin tion trees University of Chicago University of Illinois Urbana vegetation voted Water Survey workers Worthen Zoology
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Seite 35 - The great men of culture are those who have had a passion for diffusing, for making prevail, for carrying from one end of society to the other, the best knowledge, the best ideas of their time...
Seite 14 - Academy shall be paid by the treasurer without an order signed by the president and secretary. V. Members who shall allow their dues to remain unpaid for two years, having been annually notified of their arrearage by the treasurer, shall have their names stricken from the roll. » VI. The secretary shall have charge of the distribution, sale and exchange of the published transactions of the Academy, under such restrictions as may be imposed by the executive committee.
Seite 59 - Dry storage has no advantage over storage in the open except with high sulphur coals, where the disintegrating effect of sulphur in the process of oxidation facilitates the escape of hydrocarbons or the oxidation of the same.
Seite 63 - The year just closed was a very prosperous one in the petroleum fields of Illinois. The area was extended rapidly to the southeast, many gaps were filled in, new and lower sands were tapped, additional pipe- lines were laid, a new refinery was built and the output was phenomenal. At the close of...
Seite 91 - ... violet line, so that if we pass all the light together into the interferometer, we have a combination of all four. It is usually better to separate the various radiations before they enter the interferometer. Accordingly, the light from the vacuum tube at a passes through an ordinary spectroscope...
Seite 13 - Amendments This constitution may be amended by a three-fourths vote of the members present at any annual meeting.
Seite 68 - It shall be the duty of the university to collect facts and data concerning the water supplies of the State; to collect samples of waters from wells, streams and other sources of supply, to subject these samples to such chemical and biological examination and analysis as...
Seite 64 - ... vegetable garden, to the shade trees and other ornamental vegetation of cities and towns, to the products of mills and the contents of warehouses, and to all other valuable property, and to...
Seite 59 - The results obtained in small samples are to be considered as an index of the changes affecting large masses in kind rather than in degree, but since the losses here shown are not beyond what seems to conform in a general way to the...
Seite 71 - Besides the roads mentioned, there were about 1 ,500 miles of mountain passes. Many of these presented the most formidable difficulties, and their construction reflects great credit upon the engineering skill of the Department which has for so many years designed and supervised the construction and maintenance of the roads and bridges of the state. Of the earliest bridges erected in the state many were built of stone, and still exist Those erected in the period following the extension of settlement...