APPENDIX 



Increment of Test Treet 



Compartment No. 



30 

 29 

 29 

 32 

 32 

 32 

 38 

 32 

 32 

 34 

 34 

 34 

 34 

 34 

 10 

 10 

 10 

 10 

 10 

 10 

 26 

 9 

 22 

 22 

 23 

 21 

 -2 

 22 

 21 

 21 

 8 

 8 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 41 

 66 

 57 



Total 

 Averages 



Period taken to pass f ron 

 one 3" class to the next 



Ago 111 



Diameter 



22 years. 



24 years. 



96 



