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University of Michigan Press, Ann Arbor, Mich. The publications of the various divisions of the University are issued by the Press A large number of scientific treatises and books are listed in the catalogue of the Press but only a few of them are of a nature to be given here. In the Scientific Series, vol 3 should be cited, The geology of the Netherland East Indies, by H A Brouwer; price, $3 plus 15 cents postage. Some of the volumes of the Michigan Academy of Science, Arts and Letters, also issued by the Press, contain papers on geology. Specifically:

Jan 1, 1933

The John Fritz Medal for the year 1917 has been awarded to Professor Henry Marion Howe for his investigations in metallurgy, especially in the metallography of iron and steel. Record of the John Fritz Medal. The John Fritz Medal Board of Award has published a book giving a history of the Medal, the Rules of Award, biographical notices of the medallists illustrated with portraits, etc. This beautiful book, designed, engraved and printed by Bartlett Orr Press, New York, may be obtained by addressing the Secretary of John Fritz Medal Board of Award, Engineering Societies' Building, New York. Price $3 per copy.

Jan 3, 1917

LAWFORD H. FRY, Burnham, Pa. (written discussion*).-As a sup-plement to the information given by Mr. Bash, a diagram is submitted showing the results of a somewhat similar experiment carried out at the ordnance plant of the Standard Steel Works Co. In this case the ingot to be heated was a nickel-steel octagon ingot, weighing 14,700 lb. (6667 kg.). This ingot was to be forged into two 255-mm. howitzer jackets. A hole was bored half way of the length of the ingot, extending into the longitudinal axis, and a base-metal thermocouple inserted in this hole.

Jan 11, 1919

Direct Versus Indirect Control of the Economy FACED with placing the nation in a state of partial mobilization, it is expedient that it be done in such a way that the national economy and productive capacity are strengthened. The immediate adoption of direct controls such as Axed prices and wages, rationing, manpower controls, and allocations conceivably could destroy the basis of our free economy. Controls breed more of the same and since the present program is a long term project, it should be undertaken within our present business framework so far as possible or until total war makes it impossible.

Jan 11, 1950

The Mining and Metallurgical Club of the University of Toronto held a very successful meeting at the Engineers' Club on Jan. 29, 1917. Interesting papers on the Arizona Mining Districts and on the Creighton Mine at Sudbury were read. Several members of the freshman class who have changed from other branches of engineering to mining have been taken into the Club, so that we are now booming. We are also making an attempt to have more of our members apply for junior membership in the Institute, and hope to report favorably along these lines in the near future. C. A. RICHARDSON, Secretary.

Jan 3, 1917

Attention is called to the changes in officers of the Committee, whereby Albert Sauveur becomes Vice-Chairman, and Herbert M. Boylston, Secretary. Three new members of the Committee have been added, as follows : J. Esrey Johnson, Jr., William Kelly, William R. Walker. The death of Dr. F. WV. C. Schniewind is a severe personal blow to the members of the Committee, as well as a loss on the technical side that will be hard to fill. During the absence of Mr. Kirchhoff in Europe the activities of the Committee will be under the charge of Professor Sauveur.

Jan 4, 1913

By G. L. Gates

The comments by George L. Gates are appropriate to the characteristics that we sought to feature in our study and they are appreciated by the authors. In our laboratory deposition tests the smoothness of the surface seemed to be more important than the type of surface. However, we also noted that even where very smooth glass, plastic or polished metal coupons were used, scale deposition still occurred though the rate varied. Much more information is needed, however, and new work to solve the mineral scale deposition problem by mechanical and chemical means is expected to continue.

* Phosphate from the Maiden Rock deposits in the Missouri River Basin, Mont., are to be developed by the Victor Chemical Works of Chicago. A $5 million plant for processing the rock into elemental phosphorus is to be constructed in the vicinity of Butte. The plant will receive power from the Bonneville Power Administration. * Tests are being made to determine whether iron pellets from taconite concentrates will boost blast furnace and open hearth output at the Campbell Works of the Youngstown Sheet & Tube Co. About 35,000 tons of iron pellets have been shipped from Minnesota for this purpose.

Jan 2, 1951

By Norman E. Lehman

Pyrometasomalic mineralization occurs within meta-morphosed Paleozoic carbonates intruded by Laramide granodiorites. Two types of alteration developed shams in the district. The dominant type is post-magmatic which developed an early hydrous endoskarn phase, and intermediate anhydrous exoskarn phase, and a late hydrous phase affecting both sham types. A rare, second type is magmatic in age, lacks the hydrous phases, and developed a mineralogically-zoned endoskarn. Garnet exoskarns lacking associated plutonic rocks are stratigraphically controlled and contain an early anhydrous phase, an intermediate hydroxyl-bearing phase, and a late hydrous phase associated with base metal deposition.

Jan 1, 1981

J. S. UNDER, Pittsburgh, Pa. (communication to the Secretary*).¬In discussing Mr. Wysor's paper, I said that we were investigating the deposits around furnaces working on certain ferro alloys. Since the meeting, we have made a number of investigations, and have found that the deposits in the second and third passes of the hot-blast stoves, and near the stack at the boilers of furnaces working on spiegel and ferromanganese, contain about 15 per cent. total potash, of which 10 per cent. is water-soluble. The potash occurs mostly as potassium sulphate, a very small amount being present as potassium carbonate.

Jan 6, 1917

Full details of the program for the New York meeting .were given in the January Bulletin and the announcement mailed to members. The following brief synopsis is offered simply as a reminder of the principal events of this meeting which Chairman Browne says is going to be "different." Time.-Monday, Feb. 14, to Thursday, Feb. 17, 1916, inclusive. Place.-Engineering-Societies' Building, 29 West 39th St., New York. Events.-Monday, Tuesday and Wednesday (Morning and Afternoon) Technical Sessions. Tuesday, 10 a. m.: Annual Business Meeting, Luncheon served in the-Engineering Societies Building between sessions each day.

Jan 2, 1916

First actual production of titanium metal at the newly constructed Henderson, Nev., plant of Titanium Metals Corp. of America occurred in mid-October. Production will be expanded rapidly until the initial goal of 10-tons per day is reached. This will be equivalent to eight times the present world production of titanium metal. W. Eberstady & Co., New York City, has announced plans for construction of a $400 million plant for the manufacture of synthetic liquid fuels from coal in southern Illinois, if the Government will guarantee a minimum price for the gasoline and other products to be produced.

Jan 11, 1951

By Frederick F. Frick

SPONGE iron as produced at Anaconda is a fine, -35 mesh, impure product, about 50 pct metallic iron, obtained from the reduction of iron calcine at a temperature of 1850°F by use of coke resulting from slack coal. The metallic iron particles are bulky and spongey and precipitate copper readily and rapidly from a copper sulphate solution. Investigation of the treatment of Greater Butte Project, Kelley, ore at Anaconda early showed the desirability of using sponge iron as a precipitant for the copper in solution resulting from desliming of the ore in a dilute sulphuric acid solution.

Jan 1, 1953

By W. N. Lacey, D. F. Botkin, B. H. Sage

JOULE-THOMSON coefficients for two natural gases were determined at pressures up to 600 lb. per sq. in. throughout the temperature interval between 70° and 310°F. From these primary data and available information relating to the isobaric heat capacities of the components at infinite volume, the heat capacities of these gases were computed throughout the above-mentioned range of pressures and temperatures. The enthalpies of the gases were computed as a function of state and the results compared with values obtained by several methods of prediction currently available. The results are presented in graphical and tabular form.

Jan 1, 1942

CURRENT MATTERS Page Page Colorado Meeting iii. Members in Military Service... xxxvi New York Meeting, Proceedings. iv Personal xxxix War Smoker xi Positions Vacant xli Woman's Auxiliary xxiii Engineers Available xli Meeting of Board of Directors... xxvii Forthcoming Meetings xlii Publication Notes xxviii Library xliii Local Section News: Membership xlvii Colorado xxix Biographical Notices: Montana xxx Arthur B. de Saulles lxxi Puget Sound xxxi James W. Malcolmson lxxii Tulsa xxxii Frank Firmstone lxxiii Affiliated Student Societies xxxii A. Stanley Hill lxxv Eleventh Engineers xxxiii Frederic W. Matthiessen lxxvi Enlistments in Engineer Organ- _ Institute Committees lxxviii izations xxxv Officers and Directors lxxxvi

Jan 4, 1918

By Randy L. McGuire, Dale P. Ingold

The Youghiogheny and Ohio Coal Company expanded computer usage in the areas of engineering and production analyses by establishing a time-share terminal with Ohio University. Through the use of a graduate student on a consulting basis this relationship has enabled the company to gain computer programming capabilities in the scientific languages such as FORTRAN IV. The engineering function has benefitted from programs which dealt with mine power distribution and geostatistical analysis. Additionally, the University has modified a group of simulation programs developed by Virginia Polytechnic Institute so they are interactive enabling data entry from the remote terminal.

Jan 1, 1983

By S. T. Sorrell

To obtain a negative determination for prime farmlands in its approved lignite surface mine permit application, Phillips Coal Co. conducted a soils mapping effort and a historic land use survey. In addressing the justification for topsoil substitute materials, the company relied on results of a geochemical evaluation to demonstrate improved drainage, trafficability, and fertility. It also relied on results of field test plots. Post-mining land use was determined through the use of overlay maps considering existing land use, vegetation, and historic prime farmland. The reclamation plan incorporated these elements plus indicator species, existing vegetation, and wildlife needs.

Jan 1, 1985

By D. M. Buck

D. M. Buck, * Pittsburg, Pa.-During the first 5 months of 1918, approximately 11,000,000 lb. per month of pig tin were consumed in the United States. Solder, hearing metals, bronzes, etc. used about 5,500,000 lb.; collapsible tubes a little more than 250,000 lb.; tin-foil about 500,000 lb.; and the tin- and terne-plate industry somewhat less than 5,000,000 lb. In an effort to reduce this consumption and thus conserve our tin supplies, several methods of procedure suggest themselves: 1. Salvage. The most careful and systematic collection and re-use

Jan 12, 1918

By Frank Firmstone

IN Chemical Phenomena of Iron Iron Smelting, Mr. Bell gives the weight of materials required to fill furnaces of various sizes at the Clarence Works ; as this differs very much from the weight required for furnaces at Glendon, where anthracite and in agnetic and brown iron-ores are used, a comparison is interesting. Taking furnaces at Glendon of 4800 and 11,900 cubic feet capacity and comparing them with the Clarence furnaces of 6000 cubic feet and 11,500 cubic feet, we find that the 4800 cubic feet at Glendon and the 6000 cubic feet at Clarence required respectively

By A. C. Rand

The invention to be described in this paper is the work of Frederic A. Halsey, Engineer for the Rand Drill Company, of New York, and its use mill abridge the notable wastefulness of power of the striking rock-drill, and, at the same time, increase its capacity for work. That the older type of rock-drill is wasteful in power, is generally admitted; the cause being the use of steam* without expansion, arid the "cushion" of the blow, by the incoming steam upon the lower † end of the piston before the cutting tool strikes the rock.

Jan 1, 1885