American Optical 10430 T/C Handheld Refractometer 0-30° Brix with Case & Box

AMERICAN OPTICAL 0-30 Degree BRIX Hand Refractometer - 10430

VINTAGE AMERICAN OPTICAL 0-30 Degree BRIX Hand Refractometer - 10430

AO Automatic Temperature Compensated Hand Held Refractometer 10430 0-30

Hand Held Refractometer

AO Automatic Temperature Compensated Hand Held Refractometer 10440 0-30

NICE! TOPCON TOKO NO.24477 0-32% HAND HELD REFRACTOMETER MEASURING SUGAR CONTENT