THE
5
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G O O D REASON
COORS
Why-
is the best buy
PACKAGED CONVENIENTLY COORS New PACKAGING PROGRAM \ ^ brings you the world's finest Laboratory Porcelain as PACKAGED RIGHT . . . you want it. M o d e r n p a c k a g e s d e s i g n e d to p r o t e c t t h e w a r e
PACKED RIGHT . . . SHIPPED RIGHT . . .
assures d e l i v e r y in clean, unbroken condition r e a d y for immediate use. For further protection i n transit Coors P o r c e l a i n is packaged in serviceable containers without the u s e of messy excelsior, clean and ready for use on receipt. Handy packages make stock keeping easier. Important s a v i n g s are yours w h e n y o u b u y C o o r s Porcelain in convenient package quantities.
COORS PORCELAIN COMPANY GOLDEN, COLORADO For further information, circle number 98 A-1 on Readers' Service Card, page 103 A
CARL ZEISS
POLARIMETER with scale reading to 0.01° MADE IN WEST GERMANY
Assures ease in manipulation and higher accuracy in making measurements Inclined observation telescope permits readings from sitting position. Through observation telescope, the scales as well as the half-shade field of view can be observed. Direct vernier readings can be made to 0.01° and estimated to 0.005°. Moveable carrier, holding two polarimeter tubes, facilitates procedure of examinations.
Free detailed
literature
Coaxially-mounted coarse and fine adjustment knobs and switch controlled by right hand resting on table-top. Interchangeable built-in sodium or mercury spectral bulbs furnish strictly monochromatic light controlled by precision interference filters. Newly designed precision polarimeter tubes ensure the absence of strain, furthering assurance of true measuring results.
on
request
CARL ZEISS, INC. 4 8 5 F I F T H A V E N U E , N E W Y O R K 17, Ν. Υ. For further information, circle number 98 A-2 on Readers' Service Card, page 103 A 98 A
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ANALYTICAL CHEMISTRY
GUARANTEED UNINTERRUPTED REPAIR SERVICE
