2 THE UNIVERSITY OI MICHIGAN DAILY U , 2j.L 2 blew sky, two Russians, perfected asapparatus for securing greatly in ci eased pressure. Dewar succeeded Published Daily (Sundays excepted) during the in liquefying hydrogen and in produc- College year, at isg oxygen and other gases on a larger T HE UNIVERSITY OF MICHIGAN. scale. Dewar's predecessors used the Or BcE: The Inland Press, Henning Block. cascade system. Linde and the later Both Phones,147. I experimentors used the intensive method. In this the gas is put under MANAGING EDITOR. j F. ENGlELHIARD,'o L. rgreat pressure, two hundred or three tundred atmospheres and then sud- USaNESS lOANAGEB. Idenly allowed to go through a series O. I StANS. . o; tubes where the pressure is greatly 'iCITOstS. ATHLETICS, . . . G.D. HUDNUTT,'01E reduced. All gases expanding cool. r. R. WOODROW,'00 L. A. H, MCDoUGALL,'01 E in the Linde machine which is used at A. G. BROWNE '02. E. J. B. WOOD, '00, the University the pressure is first L.J.MONTGOMERY,'O, W.5). ICEY, '00M, reduced from over two hundred at- Th eubscription priceof the ti t Ueis slit ° the cllege yeae, withtasre gulae tellvey before noon eacb day. Notices, communications, and othersatter intended tor ublicationesut he handted ia at theSDAtL ficbefrei8 5p. as or nailed ts the editsrefel3 tp. is. si the clay previosto thatox which they se epected ts appear. Subscriptions may be left at the DAILY ofice, ieyer's or Stoflet's newstand, or with Business Manage Subscribers will confer a favor by eporting promptly at this office any failure of carriers to deliver paper. All changes in advertising matter must bein Che owis evbyrp.i.a.o the day previous to t at an whicheve t alar. In charge of today's issue, A. H. McDOUG ALL. CROWDED HOUSE Greeted Prof. Freer-Mang Interest- ing Experiments. The Unitarian church was packed to the doors last night to hear Prof. P. C. Freer's long expected, much talked of lecture on liquid air. The, audience came early and was thor- ottghly interested and expectant. It was an unusual gathering in many respects. Some seemed drawn by mere curiosity, but most oftthose pres- ent were animated by a desire to more thoroughly understand this subject on vshich they were largely in the dark. Many a comment and question could be heard as they thronged showing the speculation as to nature of the lecture. The most of them did no' ksnow just what turn the lecture would take and this whetted their interest to a teen edge. Something startling was generally expected to happen but few if any could tell just exactly what it was. 'Many things did happen-some unexpected-but opinion seemed di- vided as to their startling nature. The speaker prefaced his experi- ments with a brief statement of the various stages in the experimenta- tion for the liquefaction tef gases. The ancients had no conception of gases as such. They knew only the air, and the few other gases they came in contact with they considered impurities in the air. They thought water came from air by condensation ace air from water by evaporization. This impression prevailed for many centuries. Later on gases as they are now known were divided into gases and vapors. Vapors were those which could be liquified by pressure. Those which were elastic and could not be liquified by pressure were gases. Faraday was the first to liquify some or those so called gases. By means of a device in which he could scieret low temperature under presssure be succeeded in liquifying all but six of the constant gases; these six were hydrogen, nitrogan oxygen, carbonic oxide, netric oxide, marsh gas. Cail letet was able to liquify oxygen by means of a device in which the oxygen passed successively through three tubes brought to a low temperature by surrounding them with evap- orating ethylene under a high pressure. Olszenski and Wro- tmospheres pressure to sixteen and then to one atmospere. This sudden expansion in passing through a series of tubes over which too excaping air flows reduced the temperature of the air. Liquid air is liquefied in the same manner as the other gases but was not successfully done until very re- ceutly. After this discussion of the meth- ods of liquefaction which was illus- trated by drawings thrown on the screen the lecturer performed a num- ler of experiments. He first poured some liquid air in a Dewar beaker and inserted into it a test tube contain- tng mercury. The mercury quickly frozc. This and several similar ex- periments showed that the tempera- tire of liquid air could not be taken with any ordinary tnermometer. So electricity was resorted to. Two piec- es of different metals are soldered to- gether. When there are connected in serics with a galvanometer their cur- rent is registered. These put in any liquid produce a definite current for that temperature. This current is measured by the movement on a screen of a bright spot caused by the refection of a round light, placed be- tPeen the-screen and the galvanome- ter, reflected from the galvanometer. (Contined on page 3) SOLD ENGLISH -| gu RV E C(U F 100 PIPE TOBACCO! FOR A LE AT STAEBLER & CO., 301 S. MAIN ST, Typewriter Copying Only 14c per 100 Words. SCHOOL OF SHORTHAND 707 N. UNIVERSITY AVE. NEW TERM DAiNTCI-NG GRANGER'S ACADEMY. Athens Theatre SATURDAY, JANUARY 20. Sol Smith Russel's Great Play 0 *00KRLAT5 0 5ION NEXT ATTREACTION A Bachelor's Honeymoon A High Standard of merit in clothes making is gained only by Continuous Effort. And so it is-in clothes dealing. It re- quires continuous effort on our part to select that which is best from the stocks of the many clothes makers in this country. STEIN BLOCH CLOTHING is without question the finest pro- duced and is ahead in every respect of the average made-to-order garments, at about one-half the price. 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Goad Skating at the ANN ARBOR SKATING PARK GAS AND ELECTRIC LIGHTING SUPPLIES, SHADES, PORTABLE LAMPS, ETC., A SPECIALTY. SANITARY PLUMBING, STEAM AND HOT WATER HEATING. J. F. SCHUH, 207 E. WASHINGTON ST. IS NEARLY P SEASON HERE In ordering carriages why not get them where you can get your order filled on time with a carriage. Ae have added five more to our already large line and now have the largest number-of hacks in town which will ensure you good service. Price the same. HOIMF $' L.IVE4R-Y, Phane 1006. 515 Epsst Liberty Street. W~ihz~- - Play an ALARM CLOCK HAILER'S JEWELRY STORE, MAIN STREET. College Pins of Fine Design. EUTHYMOL TOOTH PASTE AT MUMMERY'S DRUG STORE.