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APERTURE (from Lat. aperire, to open)

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Originally appearing in Volume V02, Page 163 of the 1911 Encyclopedia Britannica.

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APERTURE (from Lat. aperire, to open)

APERTURE (from See also:
LAT
Lat. aperire, to open) , an opening, In See also:

OPTICS

optics, it is that portion of the See also:

DIAMETER (from the Cr. &a, through, µErpov, measure)

diameter of an See also:

OBJECT

object-See also:

glass or See also:

MIRROR (through O. Fr. mirour, mod. miroir, from a sup-posed Late Lat. miratorium, from mirari, to admire)

mirror through which See also:

LIGHT

light can pass See also:

FREE

free from obstruction . It is equal to the actual diameter of the See also:

CYLINDER (Gr. KvAwSpos, from KvXivaety, to roll)

cylinder of rays admitted by a See also:

TELESCOPE

End of Article: APERTURE (from Lat. aperire, to open)

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