Aneroid. Not wet. Applied to the type of barometer where the medium for determ,ining the pressure is not made of mercury.
Aspirate. A term given by the French to that peculiar action of wing, or other body, which, when placed in certain positions, relative to a current of air, will cause it to be drawn into the current.
Assemblage. The bringing together of the parts or elements of a machine.
Augment. To aid; to add to or increase.
Banked. The term used in aviation which indicates that the machine is turned up so that its supporting surfaces rest against the air, as in alighting.
Barometer. An instrument for determining the air pressure, and thereby indicating altitudes.
Bevel Pinion. A toothed wheel driven by a larger wheel.
Bi-Plane. Two planes. In aviation that type which has two planes, similar in size, usually, and generally placed one above the other so they are separated the same distance from each other, as the width of each of the planes.
Bulge. A hump; an enlargement beyond the normal at any point.
Camber, also Cambre. The upward curve in a plane.