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Re: I believe the military unit is "mil" and that there are
Posted:
Feb 4, 1998 7:31 PM


** Reply to note from apcalc@ets.org Wed, 4 Feb 1998 17:15:40 0500 6 A unit of angular measure equal to 1/1600 of a right angle, which is approximately the angle subtended by one metre at a distance of 1000 metres. <*> 1907 O. M. Lissak Ordnance & Gunnery xiii. 507  The horizontal deflection scale..is graduated, in sights for field artillery, to thousandths of the range. These gradations are called mils. <*> 1920 Carter & Arnold Field Artillery Instruction vi. 219  The angle of site scales and the deflection scales on all instruments are graduated in mils. <*> 1920 J. K. Finch Topogr. Maps 138  The vertical lines of the sketching screen, being one inch apart and twenty inches from the eye, determine an angle of fifty mils. <*> 1941 Amer. Math. Monthly XLVIII. 188  Most American mobile artillery units as well as many heavy railway mounts have the scales on their sights, azimuth circles, and quadrants graduated in mils. <*> 1955 C. R. Wylie Plane Trigonometry i. 21  Show that on any circle a central angle of 1 mil intercepts an arc whose length is approximately 1/1,000 of the radius of the circle. <*> 1970 Daily Tel. 1 June 15/7  The Services no longer measure bearings in 360 degrees but in 6,400 mills to a circle.
************************************************************************ * George Yanos * * GYanos@uic.edu * * 7088484221 * * Fax:6303230924 * ************************************************************************



