An illustration of a bird house made out of an old funnel.

Bird House

An illustration of a bird house made out of an old funnel.

A corolla with a regularly expanding tube.

Funnel-Shaped Corolla

A corolla with a regularly expanding tube.

Common chemistry devices used in the modern day chemistry lab. A funnel is placed in an Erlenmeyer flask. A stirring rod is used to help pour a liquid from a beaker into the flask by directing its flow more accurately.

Chemistry Devices

Common chemistry devices used in the modern day chemistry lab. A funnel is placed in an Erlenmeyer flask.…

"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 conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth.

Automatic Funnel

A conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances…

A funnel is a pipe with a wide, often conical mouth and a narrow stem. It is used to channel liquid or fine grained substances into containers with a small opening. Without a funnel, spillage would occur.

Liquid Channeling Funnel

A funnel is a pipe with a wide, often conical mouth and a narrow stem. It is used to channel liquid…

A funnel-shaped piece of brass is placed over the ends of a galvanometer when the resistance is equal to that of the pile. This acts as a preservative for the junctions from the heat radiated by the surrounding objects.

Funnel-shaped Brass

A funnel-shaped piece of brass is placed over the ends of a galvanometer when the resistance is equal…

Ideal section through a Maar of the Eifel showing the old crater funnel and pipe.

Maar of the Eifel

Ideal section through a Maar of the Eifel showing the old crater funnel and pipe.

There are many different kinds of funnels that have been adapted for specialized applications in the laboratory. Filter funnels, thistle funnels, and dropping funnels have stopcocks which allow the fluids to be added to a flask slowly.

Roost Funnel

There are many different kinds of funnels that have been adapted for specialized applications in the…