Aeronautics. The science of flying.
Anterior. Meaning the front or forward margin or portion of a body.
Artifices. Any artificial product, or workmanship.
Axially. Through the central portion. Thus, the shaft which goes through a cylinder is axially arranged.
Automatic. A thing which operates by its own mechanism; a contrivance which is made in such a manner that it will run without manual operation or care.
Alertness. Quick; being active.
Apex. The point at which two lines meet; also the extreme pointed end of a conical figure.
Ascension. Moving upwardly.
Accessories. The parts of a machine, or artielee which may ha used in connection therewith.
Anemometer. An instrument for measuring the force or the velocity of wind.