Airship

A.lighter than air. aircraft, adapted for the use of wirele telegraphy and most useful for distant reconnai ance. It has a radius of action of 1QQ0 miles or more and can attain a speed of 50 miles or more per hour. It is propelled by. motors driven by air propelleusv. i Air-speed Indie at or.-r-Ln aviation, an instrument which enables the pi ot to know his speed.:; Air Slfl Torpedoes. grenades, short distinguished from ordinarily high exshell —by Large'. their, relatively range, which oes not exceed 500 yards. Aketen — A quilted leathern Jacket … worn under the armor of knights in the.thirteenth and fourteenth centuries; also writ. ten Haqmeton.