ClipArt ETC
An illustration of a young boy closing a door.

Boy Closing Door

An illustration of a young boy closing a door.

An illustration of a boy opening a window.

Boy Opening Window

An illustration of a boy opening a window.

"CLOSE. A bird with its wings closed." -Hall, 1862

Close

"CLOSE. A bird with its wings closed." -Hall, 1862

An illustration of military personnel measuring close intervals.

Close Military Interval Measurement

An illustration of military personnel measuring close intervals.

Cork material is an impermeable, buoyant material, a prime-subset of generic cork tissue that is harvested for commercial use primarily from Quercus suber that is endemic to southwest Europe and northwest Africa. Cork is composed of suberin, a hydrophobic substance, and because of its impermeability, buoyancy, elasticity, and fire resistance, it is used in a variety of products, the most common of which is for wine stoppers.

Cork Bottle Stopper

Cork material is an impermeable, buoyant material, a prime-subset of generic cork tissue that is harvested…

"...where we suppose that the object a, is brought within an inch or two of the eye, and that the rays proceeding from it enter the pupil so obliquely as not to be refracted b the lens, so as to form a distinct image." -Comstock 1850

Indistinct Vision

"...where we suppose that the object a, is brought within an inch or two of the eye, and that the rays…