a magnifying glass consisting of two plano-convex lenses

listen to the pronunciation of a magnifying glass consisting of two plano-convex lenses
Английский Язык - Английский Язык

Определение a magnifying glass consisting of two plano-convex lenses в Английский Язык Английский Язык словарь

A magnifying glass consisting of two plano-convex lenses
wollastons doublet
A magnifying glass
magnifier