96 



ON A SIMPLE PLAN OF EASING RAILWAY CURVES. 



Appendix. 



Table giving 'proportion of offsets for curve of transition, when is the 

 origin of the curve, and the offset at the point of contact = 1. 



FOE 16 POINTS ON THE CURVE. 



















1 



















































































Bj 





































































3 



































o 



-1 



































QD 

















i 

















o 





































o 

















O 

















Ph 







1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 







•00024 



•00195 



•00659 



•01562 



•03051 



•05273 



•08374 



•125 



•17797 



•24414 



•32495 



•42187 



•53637 



•66992 



•82397 



ro 



FOR 8 POINTS ON THE CURVE. 



Origin. 

 



1 



2 



3 



Centre. 

 4 



5 



6 



7 



Point of 

 Contact. 



8 







•00195 



•01562 



•05273 



•125 



•24414 



•42187 



•66992 



1-0 



FOR 4 POINTS ON THE CURVE. 



Origin. 

 



1 



Centre. 



2 



3 



Point of 

 Contact. 



4 







•01562 



•125 



•42187 



10 



