ANALYST'S C O L U M N Physical Chemistry Section Applied Physics Section Metal Science and Treatment Bulletin of the Academy of Sciences, U S S R : Physics Series Atomic Energy Biochemistry Bulletin of Experimental Biology and Medicine Pharmacology and Toxicology Metallurgist National Science Foundation Crystallography Instruments and Experimental Techniques Measurement Techniques Factory Laboratory Automation and Remote Control The Physics of Metals and Metallography The Journal of Abstracts—Metallurgy Microbiology Proceedings of the USSR Academy of Sciences Soil Science Proceedings of the Academy of Sciences of the USSR—Biochemistry Section Journal of Experimental and Theoretical Physics Journal of General Chemistry of the USSR Journal of Applied Chemistry Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science Geochemistry Biochemistry Bulletin of Experimental Biology and Medicine A related activity is being carried on by t h e Foreign Technical Information C e n t e r of t h e Office of Technical Services, D e p a r t m e n t of Commerce. Activities of this group will include p u b lication of a b s t r a c t s of all articles a p pearing in 141 Soviet technical journals-, translations of i m p o r t a n t sections of t h e Soviet a b s t r a c t journal, Referativn v y Zhurnal, and a semi-monthly review of various areas of Soviet Science compiled b y t h e Central Intelligence Agency. T h e C I A publication is called Scientific Information R e p o r t . Subscriptions are available for t h e a b s t r a c t s of the Soviet journals a n d for the C I A publication. Sections of the R e f e r a t i v n v y Zhurnal will be sold on a single issue basis at present. Translations of articles and books will also be m a d e . T h e O T S material is received from G o v e r n m e n t sources, principally intelligence agencies. Other sources will be utilized" in t h e future. At present O T S estimates there will be 50,000 a b s t r a c t s and 10,000 complete a b s t r a c t s each year. F u r t h e r details a p p e a r in publication G-953 issued b y the Foreign T e c h nical Information Center, Office of Technical Services, U. S. D e p a r t m e n t of Commerce, Washington 25, D . C.
Temperatures to 2 5 0 ° C . (480° F.) Improved Temperature Uniformity w i t h H e v i - D u t y ' s "circle-ofh e a t " d e s i g n h a s n o c o l d corners. H e a t e r s , fastened to t h e o u t s i d e of t h e a l u m i n u m c h a m b e r , give u n i f o r m heat distribution. Fast Heat-Up w i t h n e w "circle-of-heat" diffusion e n a b l e s o v e n t o reach 200° C. i n less t h a n o n e hour. Low-Cost Operation o n either 115 or 2 3 0 volts is m a d e possible b y a selector s w i t c h w h i c h p e r m i t s h i g h or l o w i n p u t to e n c l o s e d heating elements. Durable Double-Wall Construction. S t e e l outer shell is prime c o a t e d o n b o t h sides to p r e v e n t corrosion. Accurate Temperature Control b y s e n s i t i v e b u l b - t y p e t h e r m o s t a t p e r m i t s little l a g or overshoot. Control k n o b is l o c a t e d o n a s l o p e d p a n e l for e a s y r e a d i n g a n d a d j u s t m e n t . Ventilation is p r o v i d e d t h r o u g h fresh air i n t a k e at b o t t o m a n d t o p e x h a u s t port. For complete
information on this new Hem-Duty write for Bulletin 458.
oven,
PRICE * 1 6 9 . 0 0 H e v i - D u t y L a b o r a t o r y O v e n , M o d e l HK 1 5 " diameter, 1 3 " deep w o r k chamber · Over-all dimensions, 2 0 " w i d e , 1 8 " d e e p , 2 3 " high · 115 or 230 volts A C , 60 cycles, r a t e d 600 watts · Three-wire, rubber-coated c o r d a n d p l u g w i t h a d a p t e r for conventional outlets · Three p e r f o r a t e d aluminum shelves removable for easy cleaning.
HEVI & DUTY ELECTRIC CO. ^
Milwaukee 1,Wisconsin
For further information, circle number 69 A on Readers' Service Card, page 101 A V O L . 3 0 , N O . 9 , SEPTEMBER 1 9 5 8
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69
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