US$ 22.99
letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral
Mounted on a small motor with banana-plug sockets on a plastic baseplate
bright-black
Polyester/cotton drill extra-large white lab coat features long sleeves and three large pockets for extended-fit general-purpose lab wear
and engineering classroom activities
3D Wheat Monocot Flower Model with Longitudinal Section, 15 x 9.5 x 2.5" Size_16 Inch letting students measure rotational distanceLongitudinal dissection through this wheat flower model exposes lemma, palea, stamens, and pistil of monocot grass flowers for cereal crop botany teaching.
US$ 22.99
US$ 22.95
US$ 35.00
US$ 255.78
US$ 102.90
US$ 11.99
US$ 22.99
US$ 78.00
US$ 148.50
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