SCALES 

 2:1 3 



D S 



1 , ,, ,1 1, 



<* ir; io p^. oj oj — cj m «i '.-i i. m t 2 



il'inl nlimliuil i I I I I I il. i i i ■ i i i i 1 1. ..,1 1....t....t...,i,...l i I i I i I 1 1 



s 8 S S S 3 8 8 8 8 8 § § § 1 



■ I i i i .lini lmiliiiil miliii.liiJ I 1 I 1 I I I ll I I I I I I I I ll 



LOGARITHMIC SCALE 



Given any uo corresponding quantities, solve 

 for third by laying rule through points on prop- 

 er scales and read Intersection on third scale. 



TIME In minutes 





n a 8 § 8 5 I §gI8l lllll 1 



i ' 1 ' I ■ I ' I ' . l I I J I M 'I' H 'I i I 



;;;';;■"»"« * ??t e t sS 8 ^ distance m yards 



I ' l ' M 'l'l'l' M ' l ' l 'l " il| l [ I I I 1 ! l .|i|i | I J I | Relative cr actual 

 ~ '" * -"--»a = s »8S?!8 E g OISTAKCE In miles 



MANEUVERING BOARD 



Prico 60 cents (per pad of 50) 



m t «ft a '• «) » I 



I I I I I I I I I I I I ■ I I I 



WteWnefon, DC, poWfchorf Kay. 1920. ot Ky&timpSie Oifca. 

 unfa tot m-ttwity of :ha SECfiCTfiRT OF THE NAVT 



' 1 1 1 1 1 1 1 Minn. i.,;.i,;„i....r,...i 



SPEED In knots 

 Relative or KttaJ 



I u P-AflMt*** 4Bl Ei, ;pr, IS08 



4C EiLioa, *x4 1935 



No.2C6Bq 



FIGURE 8. 



13 



