50A
ANALYTICAL
ΕΗΠΊ Indispensable
CHEMISTRY
INSTRUMENT if you m a k e any of these 28 products ACETIC ACID ALCOHOL BERRY PRESERVES BEVERAGES BOROSILICATE C R O W N GLASS BROMONAPHTHALENE BUTYRIC ACID 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 T O M A T O 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 or reflected light. Here are a few of the " 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 & L o m b Optical Company, 609-5 St. Paul St., Rochester 2, Ν . Υ.
Abbe
-56
Refractometer
