Description

this clear dial provides a readable face for measuring angular displacement in physics setups

Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric

Body measures 5" in diameter

Hand-painted skin cross-section enlarged 300 times exposes epidermal layers

Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout this clear dial provides aLong focal plano convex glass lens at 50mm diameter and 200mm focal length, the f 4 geometry projecting collimated and well formed real images onto distant screens.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout this clear dial provides a

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