[BB.50L]                                                              [BB.50]								50
                                                                      
[blank]                                                               	 x y	4 “ 6
                                                                      	x 2 y2	4 “ 7
                                                                      	x 3 y3	4 “ 3 ¾
                                                                      
                                                                      [diagram]	x  3	y 3
                                                                      		x 2	y 2
                                                                      		x	y
                                                                      
                                                                      
                                                                      
                                                                      Measures of arch of Treasury door.
                                                                      			St Marks
                                                                      (under soffit)
                                                                      
                                                                      x  y	_	4 “ 6
                                                                      x2 y2		4 “ 7
                                                                      x3  y3		4 “ 3 ¾

[Version 0.05: May 2008]