Convection Tube, 380 x 300mm Biology_Botany Spring loaded vinyl jaws open to Spring loaded vinyl jaws open to 2 demonstrating Pascal's principle of communicating vessels letting heated liquid rise and circulate through the loop for a clear convection current demo Borosilicate glass rectangular convection tube at 380 by 300mm with a filling funnel
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Convection Tube, 380 x 300mm Biology_Botany Spring-loaded vinyl jaws open to