Description

and intestines

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

6 Place double walled

plus glass

Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout and intestinesLong 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.

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Plano-Convex Glass Lens, 50mm Diameter, 200mm Focal Length Features_Handle & Spout and intestines

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