630 
If in Ba moment of one segmentton is introduced, the point C is serment 
01 
t 
replaced by the point G lying 7 higher, while tbe construction of 
the elastic link-polygon A’,, II, UL, B, IV, ‚Vo, Vs C removes 
u u 
the point C to C. 
ol u 
Instead of the earlier fixed centres of rotation Pry 9 BIV: AA Wp 
5 i 5 BY >! 1] 8 . = 
1 Wp Voy other points Pira Ivy: Np Vil SIVA wyply ing perpen 
dicularly above them, appear; of these points for the present only 
the last is of importance. 
For when the double point C of the series Cand Cis constructed, 
1 xe 1 xl 
also the point C” is known, through which the side V, VI must pass. 
al fle cal 
But this side must also contain the point PAs Vas it is therefore 
determined. 
Consequently also the sides NL; UG. WWI UL and ‚VEL 
oD can be drawn, so that now BD) is determined. *) 
The construction of the points „D and ,D conjugated to the 
points ND) and mid just found, does not present any difficulties. 
11. According to the outline given in $ 8 we must now investigate 
whether the series of points yD and yD: which appear on the 
introduction of various moments of transition 1/c— y metre-ton in the 
way described above, are similar. 
To that purpose we consider in the first place the centres of 
rotation Bis us Pi, „IV PAW, Vi just mentioned, belonging to 
the moment of transition Mvo == l metre-ton. These centres of rotation 
1) Strictly speaking the construction of the link-polygon A11, 1u, B... C, 
11 11 
mentioned in this 8 and drawn in fig. 2 for completeness’ sake, is superfluous. 
ORG) 
For it serves exclusively for the determination of the ratio wee which only 
01 11 
depends on the horizontal situation of the centres of rotation Pir hey LER LV 
sal sn EO AES Al 
aC 
: 01 11 : 
ete. which corresponds to that of Bnr, Vly P ivy ave etc. CC therefore he 
ol 11 
10 
put equal to the ratio ze already found. 
