48 A
ANALYTICAL
YOUR
Indispensable
CHEMISTRY
INSTRUMENT
... if you make any of these 28 products ACETIC ACID ALCOHOL BERRY PRESERVES BEVERAGES BOROSILICATE C R O W N GLASS
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CHEESE PRODUCTS DISTILLED WATER E G G SOLIDS ETHYLANTRACENE EXTRA DENSE FLINT FLINT GLASS FLUORINATED
HYDROCARBONS
FRUIT BUTTERS HONEY HYDROGENATED FATS IODINE NUMBER (FLAXSEED, SOYBEAN) JELLIES, JAMS FRUIT PRESERVES MAPLE SYRUP NAPHTHALENE NYLON OIL CONTENT PAPER MILLS (STARCH SOLIDS) PENTANE PLASTICS TOMATO
PRODUCTS
WAXES (PARAFFIN, CARNAUBA)
Be sure it's the world's finest Abbetype refractometer—the B&L "Abbe-56"! Exclusive B&L advantages save time, cut costs, increase operator efficiency and c o m f o r t . . . in industrial quality control, in research, and in experimentation. Quick, positive determination of the percentage of dissolved solids in foods. Highest-accuracy identification and testing of transparent and opaque liquids and solids, by either transmitted o r reflected light. Here are a few of t h e " A b b e - 5 6 " features you'll appreciate in your w o r k . SPARE PRISM SET—Quickly, easily interchanged;ends " d o w n " time. (Optional)
Bausch Lomb
&
FIXED-POSITION EYEPIECES—Mounted close together and inclined, for speed and comfort. INTERNAL GLASS SCALE—Protected from dirt, corro sion. Index, 1.30 to 1.71; theoretical accuracy, ± . 0 0 0 1 . PROTECTIVE HOUSING—Streamlined metal, safeguards scale and moving parts. WRITE for complete information and a demonstration to Bausch & Lomb Optical Company, 609-3 St. Paul St., Rochester 2, Ν . Υ.
" A b b e - 5 6 "Refractometer
