Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead this acrylic-headed mallet delivers a

this acrylic-headed mallet delivers a firm strike that excites the fundamental frequency cleanly and reproducibly

anchoring retort stands and apparatus to the edge of a classroom workbench

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

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

Demonstrates Pascal's principle that fluid pressure at a given depth acts equally in all directions

Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead this acrylic-headed mallet delivers aBorosilicate 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.