42 A
ANALYTICAL
NEW
USES BOTH
CHEMISTRY
BAUSCH & LOMB Juice
REFRACTOMETER
TRANSMITTED
A N D REFLECTED LIGHT
For the first time, α hand refractometer is now available that uses either reflected or transmitted light —transmitted light for clear, trans parent solutions... reflected light for dense, opaque or turbid samples·
FOR QUICK, ACCURATE ANALYSIS of citrus o r vegetable juices . . . for easy on-the-spot c h e c k i n g i n the plant o r i n t h e field . . . t h e n e w Bausch & L o m b J u i c e Refractometer is a n ideal instrument. DIRECT READING w i t h n o i n t e r p o l a t i o n necessary. A precise scale, from 0 t o 2 5 % total solids, p r o v i d e s for r e a d i n g s m a d e directly w i t h h i g h accuracy. Scale lines alternate o n each side of the center line, even tenths o n o n e side, o d d tenths o n t h e o t h e r · · · a v o i d i n g a c r o w d e d scale. WELL-DEFINED, COLORLESS DIVIDING LINE assures accurate r e a d i n g s , speed a n d convenience. A n g l e s of
p r i s m faces, a n d t h e selective c o m p e n s a t i n g filter m a k e t h e dividing line s h a r p . Self-seating cover prevents damage to prisms. FOCUSING EYEPIECE adjusts t o a c c o m m o d a t e in dividual user's eyes. C o m b i n e d w i t h an easy-to-read internal scale, this h e l p s eliminate g u e s s w o r k i n r o u t i n e refractometric observation. W i d e aperture gives complete u n o b s t r u c t e d view of entire scale a n d borderline. WRITE for complete information a n d d e m o n s t r a t i o n of t h e n e w Β & L J u i c e Refractometer. Bausch & L o m b Optical Co., 609-1 St. Paul St., R o c h e s t e r 2, Ν . Υ .
BAUSCH & LOMB Juice REFRACTOMETER