Scientific Instruments > Scientific Optical

Optical Hand-held Refractometer by Bellingham & Stanley, London

Item#: SOI552

Price: $190.00

 

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A Refractometer for measuring the concentration of sugar in liquids. This quality Refractometer is a portable pocket instrument used for ‘on the spot’ determination of Refractive Index (RI) or the concentration of sugar in liquid solutions. The instrument was made by Bellingham & Stanley, London, who are the world leading manufacturers of Refractometers for over eighty years. This instrument was popular with botanists and entomologists for the study of nectars, pollination and feeding habits of humming birds in the rainforests where sample volumes of 1-2 drops were available. Comes with operating instructions, tables and a leather case. In perfect working order.