Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead a battery-free source of partial

a battery-free source of partial vacuum for bell-jar demonstrations without external power

9-piece organic chemistry and distillation glassware set provides comprehensive apparatus for laboratory synthesis and separation procedures

generating 1

sized to fill the gap between 100-ohm and 1k values for fine-grained voltage-divider investigations

sized for classroom balance experiments and physics mass demonstrations

Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead a battery-free source of partialBorosilicate glass Venturi tube at 7. 75 inches end to end with three J shaped side ports visualizing pressure drops at the constriction, demonstrating Bernoulli's principle quantitatively.