Coddington lens

Cod·​ding·​ton lens | \ ˈkädiŋtən-\

Definition of Coddington lens

: a hand magnifier consisting of a lens made from a glass sphere around which a deep equatorial groove acting as a diaphragm has been cut

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History and Etymology for Coddington lens

after Henry Coddington †1845 English mathematician

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characterized by aphorism

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