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Concept after the Prussian meteorologist Prof
The sphere hitting the cork mat on the platform unit activates a switch to turn off the timer
Perfect for Classrooms
5X C-mount adaptors
High-Quality Construction: Made from durable materials to ensure long-lasting performance and stability
Masses Hooked Cylindrical Concept after the Prussian meteorologistMasses Hooked CylindricalPerfect for the Physicians and Practicals.If you need custom order with different sizes please contact us.Safely Packaged to avoid being damaged during transportation. If received broken, please provide the image to receive instant refund.
