THE: J O U R N A L O F I A \ ~ D I ~ S T R I A L A1TD ENGI,VEERING C H E M I S T R Y
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36. T h e Sensitiveness Curves of Photographic Plates Exposed t o X-Rays. ORIMTUGMAN. 37. T h e Theory of t h e Acid Fixing B a t h . A. C . MCDANIEL. RUBBER CHEMISTRY SECTION. D. A. CUTLER,Chairman
DORRTS WHIPPLE,Secretary
1. Chairman's Address. Crude Rubber. D. A. CUTLER. 2. Some Refinements of t h e Ignition Method for t h e Determino-
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14. Some Observations on Base Metal Thermocouples. 0. L. KOWALKE. 1 5 . O s m i u m - P l a t i n u m . F. ZIMMERMAN 16. The Electric Zinc Furnace. P. E PETERSON. 17. Solid Thick Deposits of Lead f r o m Lead Acetate Solutions. F.C. MATHERS. 18. Progress in Electrostatic Ore Dressing. F.S. MACGREGOR.
Sessions for the reading and discussion of papers were held a t the Shirley Hotel, Denver; the University of Colorado, Boulder; the Colorado School of Mines, Golden; and on the top WATER, SEWERAGE AND SANITATION SECTION of Pike's Peak. EnwARn BARTOW. Chairman H. P. CORSON, Secretary Trips to various points of interest, both technical and geo1 . Manganese i n Illinois Waters. EDWARD BARTOWA N D H. P. graphic, were included in the program. Among the plants CORSON. visited were the following : 2. T h e Comparative Value of Pure Calcium a n d MagnesiumSutton, Steele 6 Steele Co.: Experimental mill and testing BARTOW AND CLARENCE calcium Lime for Water Softening. EDWARD plant. Dry process of ore concentration; electrostatic separaSCHOLL. 3. Ventilation of t h e Schools of New York City. (Illustrated.) tion of sulfide minerals. CHARLESBASKERVILLE. Western Chemical Manufacturing Co.: Manufacture of 4. Winkler's Method for t h e Determination of Oxygen in Water: acids, anhydrous ammonia, and liquid carbonic acid, concenE. HALEAND W. t h e Effect of Nitrite a n d i t s Prevention. FRANK tration of mixed sulfide ores, magnetic separation, producerMELIA. gas power plant. 5. T h e Determination of Sulfur i n Certain Culture Media. H. W. REDFIELDA N D C. HUCKLE. Henry E . W o o d Ore Testing Co.: General testing of ores, 6. A Comparative S t u d y of Methods for Determining Sulfur in concentration, flotation, cyanidation, magnetic separation. Peptone. H. W. REDFIELDA N D C. HUCKLE. United States M i n t : Electrolytic refining of gold. 7. T h e Value of Testing for Hydrogen Sul5de Production i n t h e American Z i n c Ore Separating Co.: Testing plant, electroBacteriological Examination of Potable Waters. E. M. CHAMOT. static, separation, dry jigging, separation of complex ores. 8. A S t u d y of t h e Best Conditions for Hydrogen Sul5de ProducAND H. W. REDFIELD. t i o n i n Peptone Media. E. M. CHAMOT American Smelting 6 Rejining Co.: Lead smelting, Hunt9. T h e Influence of t h e Composition of Carbohydrate Culture ington-Heberlein and Dwight-Lloyd sinter roasting, bag-house Media o n t h e A m o u n t a n d Character of t h e Oases Formed by Fecal recovery of smelter fume. Organisms. E. M. CHAMOT AND R. C. LOWARY. Screenless Size7 Co.: McKesson-Rice screenless sizing of 10. A S t u d y of t h e Stokes Neutral Red Reaction. E. M. CHAMOT AND C. M. SHERWOOD. ores, crushed rock and coal. t i o n of Rubber in Vulcanized Goods. G. H. SAVAGE. Discussion of Committee Reports.
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l l . F u r t h e r Notes o n S t a n d a r d s of Potable Waters. J. CULVER HART-ZELL. 12. T h e Determination of M i n u t e A m o u n t s of Sulfur Dioxide THE CHEMICAL SOCIETIES I N NEW YORK CITY in Air. A. SEIDELLA N D P. W. MESERVE. 13. T h e Quantitative Use of t h e Spectroscope in Water Analysis. PROGRAM O F MEETINGS FOR THE SEASON 1913-1914. SESSIONS W. W. SKINNER AND W. D. COLLINS. IN RUMFORD HALL, CHEMISTS' CLUB 14. Comparison of Methods for t h e Determination of Dissolved American Chemical Society, October IO, 1913. Oxygen. W: UT.SKINNERAND J. W. SALE. Society of Chemical Industry, October 24, 1913. 15. Longevity of B. Typhosus i n Water. F. L. RECTOR. American Chemical Society, November 7, 1913. Society of Chemical Industry, November 21, 1913
AMERICAN ELECTROCHEMICAL SOCIETY. DENVER MEETING The Twenty-fourth General Meeting of the American Electrochemical Society took place a t Denver, Colorado, September 9-11, 1913.
Joint Meeting, American Chemical Society, December
I2,
1913.
American Chemical Society, January 9, 1914. Society of Chemical Industry (Perkin Medal), January 23, 1914.
PROGRAM O F PAPERS
Joint Meeting, American Electrochemical Society, February
IRVING LANGMUIR. 6, 1914. American Chemical Society (Nichols Medal), March 6, 1914. 2. Simultaneous Determination of Copper a n d Lead, w i t h t h e R o t a t i n g Anode. A. J. WHITE. Society of Chemical Industry, March 2 7 , 1914. 3 Rapid Refining of Copper w i t h a Rotating Cathode. C. 'I%'. Society of Chemical Industry, April 24, 1914. BENNETT A N D C. 0. BROWN. American Chemical Society, May 8, 1914. 4. T h e H e a t Resistivity of Graphite a n d Carbon. J. 'IV. RICHJoint Meeting, Society of Chemical Industry, May 29, 1914. ARDS. American Chemical Society, June j, 1914. 5. Effect of Light o n Decomposition Voltage. ALANLEIGHTON. 6. T h e Art of Electric Zinc Smelting. W. McA. JOHNSON. 7. Possible Applications of t h e Electric F u r n a c e t o Western OBITUARY-EUGENE A. BYRNES Metallurgy. D. A. LYONASD R. M. KEBNEY. 8. T h e Transformation of R a d i a n t i n t o Chemical Energy. S. C. The death of Dr. Eugene A. Byrnes occurred on August I s t , LIND. at Haven, Maine, where he had gone for a vacation. 9. Electric Smelting of C h r o m i u m , Tungsten, Molybdenum a n d V a n a d i u m Ores. R. M. KEEXEY. Dr. Byrnes was born in New York State in 1862. He had 10. T h e Carnotite Industry. SIEGFRIED FISCHER. graduated from the University of Michigan, and in 1884 became 11. Some Aspects of Heat Flow. E. F. NORTHRUP. a teacher in the Central High School, Washington, D. C. Subse12. T h e Electrolysis of Cyanide Solutions. E. F. KERN. quently he entered the Examining Corps of the United States 13. T h e Electrolysis of Aqueous Solutions of t h e Simple AlkaPatent Office, and rapidly rose to the position of Chief of a Diline Cyanides. G. H. CLEVENGER A N D M. L. HALL. vision. I n the meanwhile he graduated from the Law School 1. T h e Shape Factor.
