SCALES 

 2:1 3:1 



-350- 



-10 



3&0, 



<&, 



■&/ 



M 



£t*lt 



SCALES 

 4:1 5:1 



.>.;• 



X; 



1 - 



0-1 0— I 



S 



•&**** 



m'\ 



ISO 



J -I 



180 _ SSSSSSSS88SS3 n 



■ .■■■7 7.........I.......J. LlLIlLI T i M Mtnu L l mLmllhTlT l T ■ ■ ■ , T, M ll MMh . nl I rL i WKl I ll ll l I I I I 1 mil 



TIME In mrtnrts 



* «t «? ^ •? ^ - 

 LOGARfTHMIC SCALE 



Given any two corraspondirig quanttics, solve 

 for Jhird by laying n;lo tttrough points on prop- 

 er scales and read intersection on third scale. 



MANEUVERING BOARD 



Price 60 c«nts (per pad of 50) 



RR88P8 S S 8 8 8888 §§§P J^g 888888 8 » 



■| 1 1 1 1 l | i | l || | 1 | |i | i|i|i|i| I I I I I | * l ' l'l' H ' l ' l ' U ' P" i| ' I I I'l'l'l'l'l ' I ' I R«l=tt«<»eelwl 



1 ' ' ' - - » « - »>-«»2 b 8 « g a »S8 E S DISTANCE In mile 



n A * n » s » • 2 



■ I ■ I I I ■ I I I I I I I I hi 



8 S S S 3 8 s 



■ ■ .1 1 ,,.,1 1.„, I 



SPEED in knots 

 ReWiv3 or actual 



Wwrungton. DC , pwbTuhed M»y. 1920. tl HTtfrogrjptilc Offia. 

 under ttU authority of the SECRETARy Of THE NAVY 



FIGURE 6. 



|(4M Publlottaft: 4th Ed, Apr, 19M 



4th. tditoco. Aprti 1938 



59304G 



9 



