grappling-iron

‘gzeprin,ai-ozn n. a device made of iron carried in a balloon and used for grappling the earth in landing; a grapnel; an anchor. graveyard ‘gzcev,ja:zd nm. a portion of an aviation-ground or flying-course which has gaind the reputation for being a sort of cemetery or place where, en account of troch-rous airzcurrents, rough ground, etc., the machines are apt to fall and go to smash and their A ato. be kild or come to grief. gravitation ‘gzevi,tee-Jon n. the TA or prece of gravitatrng; the tendency which material bedies have of attzactmng one another, of which gravity, or the fall of bedies to the earth, is an instance. gravity ‘gzevi-tz ». the quality of having weight or of tending downward or toward the earth; the earth-force; also, weight, hevine ; also, gravitation. center of gravity, see under center. specific gravity, the degree of gravity which specifically characterizes a gtven material substance or body; the relativ hevrne or weight of any particular portion of matter, ‘usually exprest by the ratio of its weight to the weight of an equal velume of water (an the case of solids and I1quids) or. of hydrogen (an the case of gases). gravity-correction ‘gzeviti-ko,zek§on n. a correction of # reading of a standard mercurial bare meter on account of the variation of the force of gravity at different altitudes and the resultrng changes in the pre ure of the atmosfere. gregale gzi’ga:-lx n. a dreded nertheast wind in the island of Malta and other Medzxterranean regions, resembling the tramontana wind of Italy. ground gzaund n. the solid part of the earth’s surface; any portion of the land-surface; firm land; also, a tract or region. ground attitude, see under attitude. © ground-current ‘gzaund,kezont n. an a irc current near the the surface of the ground or earth; a current or stream of air due to the influence of the earth or ebjects the reen upon the motions of the atmosfere. ground-level ‘gcaond,lev at nm. the level of the ground; the general level of the land-surface in a given locality. guide-line ‘gaidjamn n. a line used as a guid-rope en a balloon; a guide-rope. guide-rod ‘garded n. one of the reds used in a flyzngmedel devised by H. Sutton of Austgalia, about 1888, for guiding or directing the stroke of the wings. guide-rope ‘gaid,zoop n. a long rope attacht to a balloon and allowd to dangle or hang below, so that when the balloon descends too close to the earth or ground-surface the rope will, by resting en or dragging along the ground, relieve the balloon of weight, and cause it to rise, thus guiding it automatically or tending to keep it at a unrferm distance from the earth; ‘the rope’; a drag-dope; a balancer.