Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead Decade capacitance box stepping 10nF

Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V

sized for classroom balance experiments and physics mass demonstrations

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

horizontal and vertical vernier scales

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

Borosilicate Glass Venturi Tube, 7.75 x 6.5" Included_Bosshead Decade capacitance box stepping 10nFBorosilicate 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.