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utilities are not available) and incorporate many unusual engineering features that simplify their operation and main-
tenance—features that assure long life at minimum costs. You can solve your distilled water problems easily and quickly
by turning them over to "Precision's" specialized engineers. Send us your distilled water requirements-we will submit detailed proposal.
Precision Scientific Company
NEW ITEMS: Complete line of Gyco Heating Jackets Gyco Pyrometer and Pyro-tran Minter Gas Analysis Apparatus Stainless Steel Dewar Flasks Quartz Immersion Heaters Infra-Lectric Heating Plates Acid-proof Glass Tongs >th and many others,
Beginning with the January issue of ANALYTICAL CHEMISTRY, a new Directory will appear in this section called . . . .
Laboratory Supply Center Here you can b u y a n d sell — t h r o u g h low-cost advertising — all m a n n e r a n d form of labora tory e q u i p m e n t a n d m a t e r i a l s . Here you can tell your p r o d u c t story t o t h e 25,000 m e n w h o subscribe t o each issue of ANALYTICAL CHEMISTRY.
These m e n read ANALYTICAL CHEMISTRY b e cause i t s editorial c o n t e n t is slanted along laboratory lines. And w i t h Laboratory Sup ply Center available, t h e i r p u r c h a s i n g i n terests a r e even m o r e finely screened i n t h e direction of your advertising i n t e r e s t s . C o n t a c t a Reinhold representative or write u s a t 332 West 42nd St., New York 18, Ν. Υ., a n d s t a r t m a k i n g sales w i t h t h e next issue of ANALYTICAL CHEMISTRY.
ludii including
HOFMAN LIQUID AIR CONTAINERS for storage or transport of LIQUID AIR LIQUID OXYGEN LIQUID NITROGEN sizes to 1000 liters Hofman Storage Con tainers consist of two con centric metal spheres with highly polished fac ing walls separated by a nearly perfect vacuum. Two heavy springs, a Hofman exclusive fea ture, cushion upward and downward shock within the steel protective cas ing. Efficiency is high, evaporation losses averaging from 2 to 7 % per 24 hours, according to size. Circular giving specifications and prices on request.
SCIENTIFIC GLASS APPARATUSJERSEY CO., INC. « LABORATORY J \ # l b l l I APPARATUS I I I V » U 'LINSTRUMENTS n W U BLOOMFIELD -GLASSWARE NEW JERSEY - CHEMICALS •
