The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics (1918)
Matthews, Richard Borlase, 1878- · London : C. Lockwood and son · leaf 359
-the earth in horizontal masses of iron or steel. The aeroplaneis placed Avith its longitudinal axis eitlier X.E. and S.W., orX.W. and .S.E.. and soft iron balls are placed on each side of thecompass on a line through it.s centre at right angles to the longi-tudinal axis of the machine, and are… … F Soft Iron Balls to correctQuadranfal devistion. S Fig. Z. In addition to the above there is an error introduced Avhen the.aeroplane rolls. This can be corrected by placing a vertical magnetdirectly underneath the centre of the compass. When a compass has been thus corrected, altliough it will…
Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
