Bausch & Lomb REFRACTOMETERS

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...In Field and Plant Checks In field, vineyard, orchard or grove . . . on plant production lines . . . on-the-spot checking for maturity or quality is easy, quick and accurate with the Bausch & Lomb Juice Refractometer. Here, for the first time, is a hand refractometer that uses either reflected light for clear solutions, or transmitted light for dense, opaque or turbid samples. Quick, direct readings, 0.1% accuracy, with a range of 0 to 2 5% dissolved solids. Adjustable eyepiece, for individual comfort.

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For laboratory quality control . . . for research . . . you get highest-accuracy testing of transparent and opaque liquids and solids, by either transmitted or reflected light, with the B&L "Abbe-56"—the world's finest Abbe-type refractometer. The illuminated glass scale, with extra-wide field, provides a clear view of three scale numbers at all times. Index range is 1.30 to 1.71; theoretical accuracy, +.0001. Scale and all internal mov­ ing parts are protected from splashing, fumes and shock by a sturdy metal housing. An easily interchangeable spare prism set (optional) ends down time. You save time, cut costs and in­ crease operator comfort and efficiency with the B&L "Abbe-5 6."

Bausch & Lomb "ABBE-56" REFRACTOMETER

Bausch & Lomb

sCwCle for complete information and a demon­ stration to Bausch & Lomb Optical Co., 609-14 St. Paul St., Rochester 2, Ν. Υ.

REFRACTOMETERS