1. Measurement of melting point of substances 2. It is used in pharmaceutical industry, chemical industry, textile industry, dyestuff with microscope. 3. Measuring methods: Capillary, slide or cover-glass. 1. Measurement of melting point of substances 2. It is used in pharmaceutical industry, chemical industry, textile industry, dyestuff with microscope. 3. Measuring methods: Capillary, slide or cover-glass.