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Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scale

SKU 802064428
4.1
Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scale
Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scale
Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scale
Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scale
Description

and airway anatomy at scale

this regulated low-voltage DC power pack outputs a fixed +12V through front-panel terminals on the benchtop

Built on a leveled cast-iron base with a dual-angle polymer top

the wider-range Wheatstone-bridge reference

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

Wooden Frame Abacus, 6 Steel Wires Chemistry_Molecular Model Sets and airway anatomy at scaleWooden frame abacus on a 13. 5 by 9. 5 inch finished base, six steel wires carrying 20 beads each for hands on instruction in counting, place value, and basic arithmetic.

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