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W i t h a Barnstead W a t e r Still in your own plant or

laboratory you are assured of a constant supply

of the purest distilled water obtainable — in its

freshest, safest state. For Barnstead Distilled W a t e r

is free f rom organic and inorganic solids, volatile

impurities and bacteria. Its unvarying puri ty makes

i t a constant that chemistry can rely on t o achieve

laboratory perfection in process product ion.

There are Barnstead Water Stills fo r all needs. They

operate on Steam, Gas or Electr ici ty — deliver

f rom !/2 to 500 gallons of consistently pure disti l­

late per hour. Easy to install, clean, operate and

maintain, they are built for long, safe, dependable,

economical service.

For more than sixty years, modern, compact

Barnstead Stills have prov ided at low cost the

priceless quality of pur i ty in water — so basically

essential t o the world o f chemistry.

Kariistead MÊLJ STILL & STERILIZER CO. Inc.

2074

19 LANESVILLE TERRACE, FOREST HILLS, BOSTON 31, MASSACHUSETTS

C H E M I C A L A N D E N G I N E E R I N G N E W S