Page:Dictionary of aviation.djvu/49

 DICTIONARY OF AVIATION 25

��anchor-rope 'aenkaz^zoop n.

1. a rope by which the anchor is attacht to the balloon or airship; an anchormg-rope ; a grapnel-rope.

2. a rope or line by which a kite is sometimes anchord or secured to the earth, to prevent it from being carried away by the wind which supports it.

aiiemobaroineter g^emD-ba'zemi-tsz, ,aeni-mo-b3'zemi-t3Z

n. a wind-baremeter; an instrument for obtaining air-pres-

sure and wind-pressure by causing the air to pass thru a

tube or tubes and act upon enclosed barometers. anemocinemograph g^emo-si'nen^gza.'f, ,seni-mo-si-

'nem9,gza:f n. [also spelt anemocinemograf] an instrument

which records the variations in the velocity of the wind. anemogen. 9'neni9-d3in n. an apparatus for producing and

experimenting upon air-currents similar to the natural

winds of the atmosfere. anemograph, 3'nem3,gza:f n. [also spelt anemograf] an

instrument for recording the direction or force of the

wind; a wind-register. anemographic a^nema'gzaefik adj. [also spelt anemografic]

ef or pertaining to anemegrafy; produced by an anemograf

or wind-register. anemogram a'nerr^gzaeni n. a grafic record of the pressure

or direction of the wind, produced by an anemograf or

wind-register. anemography ,aeni'megz9-fi n. [also spelt anemografy]

1. description of the winds; a tjeatis on winds.

2. the art of recording the direction and force of winds. anemological s^emg'ledsi-kal, ^aenima'ledsi-kal, adj. ef or

pertaining to anemelogy.

anemology ^seni'mola-dsi n. the science of the winds. anemometer ,3eni'memi-t9z n. an instrument for mesunng the velocity, pressure, or other properties of the wind; a wind-gage; a wind-meter.

Biram's anemometer, a ferm of wind-gage.

calibration of an anemometer, the conversion of ane memeter-readings into true wind-velecities or wind-pres- sures by application of uuhirling-apparatus methods.

Hagemann's anemometer, a suction anemometer by which the velocity is found from the rarefaction produced within a vertical tube by the wind.

helicoid anemometer, a modified ferm of Woltman's ane- mometer in which the plates are bent into heliceidal sur- faces like those of a screw propeller; a heliceidal ane- mometer.

Hooke's anemometer, a pendulum anemometer.

�� �