A stop, usually the open diapason, having its pipes “shown” as part of the organ case, or otherwise specially mounted.
A hole in wall of a pottery kiln, in which their state for the pieces within may be judged.
In organ-building, an end whoever pipes tend to be mounted as part of the visible organ-case, or elsewhere occur an unique place besides the others; typically, the available diapason of this great organ. See additionally mounted cornet, under cornet, 1 )
An opening in a kiln for pottery or porcelain whereby the superintendent seems to evaluate associated with progress associated with cooking.