SCALES 

 2:1 3:1 



SCALES 

 4:1 5:1 



8 a i i s § rsgassssssi I 1 § §§§§§§ i§i| Mllllll II 



(^.n,^.™^^,,,,™,,^.*. ' ' ' ' I II Ml ' l ' l ' l ' l ' l ' I ' I 'l ' . i .| ■ | 1 1 ■ iLJj .l -T-rrT l I H |l | l | i|,|l | I | , | °Ee W Xf 



Given any twc cofTcstwiHiing quartijes, sorvB - n « « *> « i^^rSc? « p «qJ>o«q 



for third by laying nils through points on prop- 

 er scales and read intersection on third scate. 



MANEUVERING BOARD i 



Price 60 cents (per pad of 50) 



<o is <b « S 



3 DISTANCE in miles 



J — i — I — i I i I i l i l iTiTiJ^, , ,7, ,,,i "„„7,.„i„„i„.,i„„i.,..i 



Weihlngton. DO, puMished M»y. 1920. at Hyd/oeraphic Office, 

 under Bit euttotf)r o( ISe SECRETARY OF THE NAVY 



SPEED In knots 

 Relative or actual 



K«w PUblisatten; 4U\ Ed, Apr, 1938 4th. Edifcoa, April 1938 



No. 2665 a 



FIGURE 18. 



33 



