External Reading Lensometer Set complete with Accessories and User Manual uses of wet and dry bulb hygrometer The design of the spring

The design of the spring balance ensures that it can easily measure weights up to 2 kilograms with a clear and easy-to-read scale

Due to the mechanical arrangement

Whether you are a student examining slides in a classroom or a scientist conducting experiments in a laboratory

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External Reading Lensometer Set complete with Accessories and User Manual uses of wet and dry bulb hygrometer The design of the springExternal Reading Lensometer Set complete with Accessories and User Manual Lensometer , External Reading Lensometer Set complete with Accessories and User Manual. Large diameter measuring knob with easy to read diopter scale. New design lens holding device. Convenient lens marking system. Precision Optics.