This annular space is increased at will by means of the lever L, which acts upon a screw whose office is to cause the pipe B and its attached parts to move backward or forward. Edward W. Byrn.十九世纪发明进展.
Acetylene gas is immediately generated and its pressure forces the level of the water down in the inner cylinder, causing it to rise in the annular space between said cylinder and the case. Edward W. Byrn.十九世纪发明进展.
The water that is drawn up introduces itself around the steam pipe and tends to make its exit through the annular space at the conical extremity of the latter steam pipe. Edward W. Byrn.十九世纪发明进展.
In the case of Sa turn there was such regularity in the rings that the annular form was maintained; as a rule from the zones abandon ed by the planet-mass satellites resulted. 李贝.西洋科学史.