JTorizc'ntal Secfn^ 



id C/ironomrtfrs. i:r7/fdttif/(/ t7ic 

 g//ie sccof!(f course qfKrfX'rime/rts. 



IX 



B ™ 



Vertical Section q/-'t7i 

 Chronometers,/rom 

 during ti^ejirst cot 



TtafeH. iw.zmr. 



A ™lj 



Tcrtic/i? Section cft7ie/rcn STieTl rwii 

 (yiro/wmetvrs.f) vm. 7!ast ir> We. ft. iii/t im 

 t7ie Seco/i d Cours e o/Kr^>eri»te/itJ. 



JfBatuvsailft 



