Pic

A device formed of two metals which are bonded together, each having a different coefficient of thermal expansion; used in temperature-indicating and temperaturecontrolling devices.

A post attached to an electric cable, wire, or apparatus, for making a connection to it conveniently.

A frame fitted with a wire mesh; used to prevent birds from entering an opening, such as at a chimney hood or

A monumental underground tomb in the form of a beehive, used in the Mycenaean period.

A connection between two sections of pipe, the straight spigot end of one section is inserted in the flared-out end of the adjoining

The timber framework which supports the bells in a belfry or steeple.

A small belfry astride the ridge of a church roof, often crowned with a small spire.