"Tangential section of a larva of Astroides calicularis which has fixed itself on a piece of cork. ec, Ectoderm; en, endoderm; mg, mesogloea; m, m, mesenteries; s, septum; b, basal plate formed of ellipsoids of carbonate of lime secreted by the basal ectoderm; ep, epitheca." — The Encyclopedia Britannica, 1910

Astroides Calicularis

"Tangential section of a larva of Astroides calicularis which has fixed itself on a piece of cork. ec,…

"If an excited substance be brought near a ball made of pith, or cork, suspended by a silk thread, the ball will, in the first place, approach the electric, as at a, indicating an attraction towards it, and if the position of the electric will allow, the ball will come into contact with the electric, and adhere to it for a short time, and whill then recede from it, showing that it is repelled, as at b." -Comstock 1850

Electrical Attraction

"If an excited substance be brought near a ball made of pith, or cork, suspended by a silk thread, the…

A corked bottle with a tube, spouting a stream of water.

Spouting bottle

A corked bottle with a tube, spouting a stream of water.

A stopper for a bottle or cask, cut out of cork.

Cork

A stopper for a bottle or cask, cut out of cork.

A flask being heated over an open flame, with a tube and jar attached.

Heated flask

A flask being heated over an open flame, with a tube and jar attached.

"Pass the tube of an air thermometer or of an inverted mercury thermometer through a cork in the neck of a funnel. Cover the thermometer bulb to the depth of about half an inch with water. Upon the water, pour a little sulphuric ether and ignite it. The thermometer below will scarcely be affected, although the water above may be boiling. Stir the water and note the prompt movement of the thermometer index..." -Avery 1895

Funnel with Inverted Mercury Thermometer

"Pass the tube of an air thermometer or of an inverted mercury thermometer through a cork in the neck…

A girl on horse made out of cork and burnt matches

Girl on Horse

A girl on horse made out of cork and burnt matches

Also known as Quercus suber. It is a medium-sized oak tree, and it is the primary source of cork for wine bottle stoppers. It is commonly found in southwest Europe and northwest Africa.

Cork Oak

Also known as Quercus suber. It is a medium-sized oak tree, and it is the primary source of cork for…

An apparatus, used to demonstrate how root-hairs are used to take in soil-water

Osmosis apparatus

An apparatus, used to demonstrate how root-hairs are used to take in soil-water

"A clothes sprinkler may be made from a milk bottle. In it place a large cork, insert a garden sprinkling spray in the cork. This will dampen the clothes evenly."—The Federal Digest, 1921

Clothes Sprinkler

"A clothes sprinkler may be made from a milk bottle. In it place a large cork, insert a garden sprinkling…

A vial with a very small amount of gravel in it, and a cork stopper.

Nearly empty vial

A vial with a very small amount of gravel in it, and a cork stopper.

A whirling-table, with a brass tube attached. A cork is shooting out of the tube.

Whirling table

A whirling-table, with a brass tube attached. A cork is shooting out of the tube.