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Topic: Re: I believe the military unit is "mil" and that there are
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George Yanos

Posts: 38
Registered: 12/3/04
Re: I believe the military unit is "mil" and that there are
Posted: Feb 4, 1998 7:31 PM
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** Reply to note from ap-calc@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.



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* George Yanos *
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