Angle of Movement. Any direction which is upwardly or downwardly, as distinguished from the direction of movement which is either to the right or to the left.
Acquire. To obtain; to recover; to procure.
Analogous. Corresponding to or resembling some other thing or object.
Air Hole. A term used to express a condition in flying where the machine while in horizontal flight takes a sudden drop, due to counter currents.
Ailerons. Literally, small planes. Used to designate the small planes which are designed to stabilize a machine.
Angle. A figure, or two straight lines which start at the same point. The sides of these lines are termed the angle.
Analysis. To separate; to take apart and examine the various parts or elements of a thing.
Aeroplane. Any form of machine which has planes, and is heavier than air. Usually a flying structure which is propelled by some motive power.
Accumulation. Adding to; bringing together the same or unlike articles.
Ascribable. A reference to some antecedent source.