P501.026 NEWTON’S RING APPARATUS
Description
Comprises a Plano-convex lens 60mm dia and 100cm focal length. On a flat glass plate equal dia. Both enclosed in a ring frame with compression adjusting screws.
Comprises a Plano-convex lens 60mm dia and 100cm focal length. On a flat glass plate equal dia. Both enclosed in a ring frame with compression adjusting screws.
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