1 1 1 1 1 1 1 1 i n 



' n f 7T7 rrr4 



I Divisidn-IO Mil.es- 

 I Division- 10 Knois 



SCALES 

 4:1 5:1 



76(^95 



—40 —50 



—75 



52 —65 



-15 



-K) 



i s a s s asssss.s a 1 

 l I I ■..,i„,.i,„,i i l i 1 1 1 i/i I i i l 1 1 1 1 1 



LOGARITHMIC SCALE 



Given any two corresponding quantities, solve 

 for third by laying rula through points on prop- 

 er scales and read intersection on third scale. 



/IME in minutes 



8 <s ^ <?8888§88§|§ I 8 lliggaiSIII- § il| §||1 § I, 



g g S SllgS2£^5?S ° % S S;SSsa*2-S % 3 SSg88§ * R/ DISTANCE In yards 



H f 1 ' I ' i ' I I I I I I ' M 'I' I 'I 'I' M |l|'l'l 'h l' | l|' | i|i|- N ll| I | I I I | ' | ■ h I l-l^ — ' — r— <7l Relatrvo or actual 



« ™ -r »»>«»o » SSSSSSS S/S DISTANCED miles 



m «o r^ oj o» 



MANEU'VERING BOARD T . , 7 ■ T . i . T . 1 1 iihhT ,,, ,f, ,/,?,,, ,T,;„T„„?„„[„„iJ I SiiS 



Price 60 ctjnta (per pad of 50) 



Washington. D.C., publishtd Waj, 1920, st KpJrcgraptilc Office, 

 under the authority cf the SECRETAJW Or THE NAW 



. Nfw Puttatiwi: -,3j. Ed, Apr, 1938 



4ft. Edition, April 1933 



FIGURE 36. 



71 



