NEWS
Industrial Statistics and Quality Control Course A series of lectures, discussions, and laboratory sessions on control problems of the chemical and process type in dustries will be given daily at the Rochester Institute of Technology, June 11 to 20. The course will cover among other topics: sampling, acceptance control charts, and determination of sample size. Tuition is $225 and includes text-
materials and supplies. For more in formation contact Robert L. Livermann, Assistant Director, Extended Services Division, Rochester Institute of Technology, Rochester 8, N.Y.
Course on Design of Experiments The special problems and techniques of chemical industry experimentation will be treated in a course offered by
the Rochester Institute of Technology, June 21 to 28. The course will also cover sampling and nested designs, sample size deter mination for significance tests, factorial experiments, and evolutionary opera tion. Tuition for the course is $175. Inquiries on the course should be sent to Robert L. Livermann, Assistant Director, Extended Services Division, Rochester Institute of Technology, Rochester 8, Ν. Υ.
NMR-ESR Conference FEATURES:
SARGENT
SR RECORDER
Accuracy: ±}/A% or 20 microvolts, whichever is greater. Range: standard, 125 m v ; additional ranges by use of r a n g e p l u g s , 50, 25, 12.5,5,2.5, 1.25, 1.00 mv. Balancing S p e e d : 1 sec ond full scale. Chart: 250 mm wide with millimeter ruling; length c o n t i n u o u s l y r u l e d in tenths of an inch; 120 feet per roll. Chart D r i v e : s y n c h r o nous, 1 inch per minute standard; other speeds of 1/60, 1/10,3/10,5/10,3,4, or 12 inches per minute available by purchase of interchangeable motors. nput Resistance Toler ance: 10,000 ohms at 1.25 mv and 1 s e c , increasing with increasing ranges. S-72180 R E C O R D E R S i n g l e - R a n g e , Model S R , Sargent. Complete with one S-72165 chart roll; one each S-72175 ballpoint pens, red, b l u e ; w r e n c h s e t ; oil b o t t l e ; dust cover. For operation from 115 volt, 60 cycle A . C . circuits $675.00 For complete information write for Sargent Bulletin SR-B
Patent No. 2 , 9 3 1 , 9 6 4
E. H.SARGENT & CO. 4647 W.FOSTER, CHICAGO 30, ILL DETROIT 4, MICHIGAN
MAXIMUM ACCURACY AT A MINIMUM COST For laboratory use, this low cost recorder features: • FULL WIDTH CHART, 250 mm • FAST BALANCING SPEED, 1 SECOND • HIGH SENSITIVITY, HIGH GAIN AMPLIFIER • SQUARE CORNERING AT 10,000 TO 50,000 OHMS INPUT
D A L L A S 35, TEXAS
A N A H E I M , CALIFORNIA
SARGENT MENTS · APPARATUS · SUPPLIES CHEMICALS
50 A
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ANALYTICAL CHEMISTRY
Chemical Microscopy Course Advance registration is necessary for the three-week course in chemical microscopy at Cornell University, July 9 to 27 (p. 104 A, February 1962). Correspondence should be addressed to C. W. Mason, School of Chemical En gineering, Olin Hall, Ithaca, Ν. Υ.
Brooklyn Polytechnic Courses Several special courses will be offered during the summer by the Polytechnic Institute of Brooklyn. These are: In dustrial Applications of X-Ray Diffrac tion, June 4 to 15; the Chemistry of High Polymers, June 25 to 29; and three two-day "clinics" on the Chem istry, Physics, and Technology of Ion Exchange Membranes, June 18 to 23. Details are available from Mrs. Doris Catell, Polytechnic Institute of Brook lyn, 333 Jay St., Brooklyn 1, Ν. Υ.
BIRMINGHAM 4, A L A B A M A SPRINGFIELD, NEW JERSEY
SCIENTIFIC LABORATORY INSTRU
Circle No. 155 on Readers' Service Card
A summer conference on nuclear and electron spin resonance for college teachers, sponsored by the National Science Foundation, will be given at the University of Florida, Gainesville, from August 13 to 24. Several experts in the field will lec ture on the principles, instrumentation, and application of NMR. Laboratory work on Ν AIR will also be included. For further details and application blanks write to Dr. Wallace S. Brey, Department of Chemistry, University of Florida, Gainesville, Fla.
Lipid Analysis A two-week course on Chromato graphic methods in lipid research will be presented September 17 to 29 by the Institute of Pharmacology and Therapy of the University of Milan (Italy) and the Italian Society for the Study of Oils and Fats. There is no charge for the course, but attendance will be limited to "graduates
