Communication Vessel The second tube serves as

The second tube serves as a control thermos barometer for comparative measurements

SD (interface)

this set offers versatility and functionality for both educational and practical applications

Dynamic Trolley Set: This set includes 1 pair (2 units) of Dynamic Trolleys designed for physics experiments and demonstrations

Self-definition linear and graph converting

Communication Vessel The second tube serves asCommunication Vessel 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.