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easy-to-read digital LCD display and simple two-point manual calibration
and limits for impurities such as chloride
This complete apparatus has a 150mm adjustable mirror scale to prevent parallax error and is marked in millimeters and mounted on a sturdy 300mm rod
and Diamond
Global Model easy-to-read digital LCD display andGlobal Model This model can be used as a visual aid in schools for Geology lessons. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in geology classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
