Nesco INSTRUMENTS, INC

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The test methods will cover deter­ mination of sulfur content of petro­ leum products, determination of mag­ nesium oxide content of portland ce­ ment, and measurement of density and moisture content of in-place soil. Two documents dealing with radiation do­ simetry are also ready for submission to the society. One will cover definitions applying to dosimetry and the other is a method for neutron dosimetry of metals. The committee is planning to spon­ sor a two-session symposium on radia­ tion effects on materials at the 1960 annual meeting.

NOW! a new concept in graphic recorder design sets a new standard of Versatility, Accuracy, Reliability and Economy ! BUi ί

Calorimetry Conference to Be Held The 15th Calorimetry Conference will be held at Gatlinburg, Tenn., Sept. 7 to 10. Among topics to be covered in the four-day meeting are precision reaction and bomb calorimetry, solu­ tion calorimetry, microcalorimetry, heat capacity measurements at low and high temperatures, application of calorimetric techniques to solid state physics, development in precise tem­ perature measuring devices, tempera­ ture scales, and standard calorimetric samples. The deadline for receipt of titles of papers offered for presenta­ tion is July 1. Additional informa­ tion can be obtained from Dr. J. P. McCollough, conference chairman, U. S. Bureau of Mines, Box 1321, Bartlesville, Okla.

M O D E L JY-100

Engineered specifically for modern laboratories with all the features you've wanted... now only $320. Industry I t e m s SOME OUTSTANDING FEATURES American Hospital Supply Corp., Evanston, 111., has announced comple­ tion of negotiations with Canadian Laboratory Supplies, Ltd., of To­ ronto and Montreal, for merger of the two companies. The Canadian firm has been a supplier to laboratories throughout Canada. Present personnel of Canlab will be retained. Bell & Howell Co. and Consoli­ dated Electrodynamics Corp., its Cal­ ifornia subsidiary, are combining all re­ search actmties into a single expanded unit. The new corporate research divi­ sion will have 30% more personnel than the two previous departments together. Consolidated Electrodynamics Corp. has discontinued its warehouse operations at Philadelphia. Local field offices in the area are now forwarding all parts orders and inquiries to the ap­ propriate product division at Pasadena,

• N u l l balance servo t y p e . • Response t i m e y 2 second full-scale in s t a n d a r d m o d e l . • S e n s i t i v i t y * Λ % o f span w i t h zero a d j u s t m e n t a n y w h e r e on c h a r t . •

a

/2 % a c c u r a c y .

• Available w i t h s t e p a t t e n u a t o r m a x . 100 v.

to

• 1 0 m v f u l l scale s e n s i t i v i t y . •

Floating input WRITE

• Max. signal source resistance of 100K on 10 mv position. • Multiple chart speeds from 1 in/hr to 16 i n / m i n . • 5 inch chart. • Designed to serve a wide variety of recording needs, for addition of special accessory and o p t i o n a l equipment, and for adaption to spe­ cial applications. • Compact cabinet and rack mount models. FOR

COMPLETE

Nesco

SPECIFICATIONS

INSTRUMENTS, INC.

DESIGNERS AND MANUFACTURERS OF PRECISION INSTRUMENTS 6 3 8 WEST 17TH STREET, COSTA MESA, CALIFORNIA Circle No. 69 on Readers' Service Card VOL. 32, NO. 7, JUNE 1960

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