Venturi Tube Classroom Display Apparatus, 18" Tall Neulog_Accessories sized to keep electromagnetism demonstrations

sized to keep electromagnetism demonstrations running when the original coils wear out

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

adjustable from 0 to 45 degrees with an alignable pulley and included pan and roller

Pairs 74mm of length with a 50mm hypotenuse on a polished acrylic right-angled prism

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Venturi Tube Classroom Display Apparatus, 18" Tall Neulog_Accessories sized to keep electromagnetism demonstrationsVisualizes the Venturi effect on an 18 inch backboard, where colored liquid in a U shaped section shifts measurably as air blown through a constricted glass tube creates pressure differences.