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Dictionary

Rams'den eye'piece

Optics.
an eyepiece consisting of two plano-convex crown-glass lenses of equal focal length, placed with the convex sides facing each other and with a separation between the lenses of about two-thirds of the focal length of each.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Ramsay

Ramses

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