Description

Long-focal double-convex glass lens at 75mm diameter and 500mm focal length

Copper anode-and-cathode pair pre-mounted in a rubber bung

Offering four-decade rotary selection from 0 to 11

step-up/step-down ratios

each with a removable threaded hook for mass-and-density comparison in pendulum-period investigations

Metal Fly Wheel on Horizontal Shaft, 7.8" Diameter Subcategory_Botany Models Long-focal double-convex glass lens atBall bearing mounted 7. 8 inch metal flywheel balanced on a horizontal shaft with reference pointer and four wall mount holes, for rotational energy and moment of inertia experiments.

Exchange/Return Notes

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Final sale items are not eligible for returns or exchanges.
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Metal Fly Wheel on Horizontal Shaft, 7.8" Diameter Subcategory_Botany Models Long-focal double-convex glass lens at

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