Lab-Crest
. . . T H R E E - W A Y S T O P C O C K S n o w a v a i l a b l e . . . w o n ' t leak, w o n ' t f r e e z e , r e q u i r e no g r e a s e . W r i t e f o r i n f o r m a t i o n a n d prices. Fischer & Porter C o m p a n y , 1 B 5 8 C o u n t y Line R o a d , H a t b o r o , Penna.
Far further information, circle number 24 A on Readers' Service Card, page 85 A 24 A
· ANALYTICAL CHEMISTRY
