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back screen for teacher to observe the results
Inexpensive way to upgrade just about any stereo or compound microscope into a Digital Microscope and view it on the TV
Durable and Long-lasting Material: Made from high-quality and durable material
digital tube display and function of timing and over-temperature protection
5 Inches / 290mm
Thermometer Mercury back screen for teacher toThermometer Mercury Set of 5 pcs Premium Quality: This Product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
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