\,feg.S.4.Vol.50.PlI. 



PMar 

 Eucagon 



k 



, Tig. 2. 



Fitf.l. 





// 









■r / "v 



A 







_B_ 

 ■'( 

 C 



V'"vA xf 



D 





- 







\ U x " : -- 



7'A<r radii of tlie circles of laJ>. ait-e/i by K cot I. 

 TJie distance OA. OB. OC. OD by ~R cot.fl +37° 23') 

 The distances Qa . Ob. Oc by Rsitv 37° 23' tarv.y 

 where \ = .% 75. ?T 

 It is rcuiuis cf inscribed Sphere. & I latitude. 



•C ■ • o ^ ^f . . . i. _EajiatoriaZ 



Hcxugcn 



Diameter of inscribed 

 sphere, is 3 inches. 



The radii/ of ~the circles of Lot. giieTi by-Reot.L. 

 TJie distances OA, 0B,0C, OD, OE by R.cct.(l + G3°2G ') 

 The, distarvcesJJ>lHS.'£Qi.^-K,hy'R(stn 63' 26' ± 

 I cos 63° 26') ion. X where, X '= 9° & 18'. 



The radii of die circles of lot. gwerv byHcot.l 

 The divorces OA, OB , C , OD JvR cct/l +19° 11') 

 The intercepts LM.LX,PQ,PB_^«r lyJLletxv X 

 (suv 79 fl'^-i cos 79° 11') where ) '= 9 : &, 18' 



Ris the radii is of the, 

 cirauuitscrihirvcf sphere 



Mintern Bros imp 



