<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello all,<br data-mce-bogus="1"></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: rgb(0, 0, 0);" data-mce-style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000;"><br style="" data-mce-style=""><div style="" data-mce-style="">Using the CMM points for all ten RICH spherical mirrors together, we have run our Python program that uses all the points to calculate the radius of curvature. The program also plots the CMM data and then uses the calculated radius and sphere center point to draw the sphere the mirrors have been cut from. This plot is shown in the attached image.<br style="" data-mce-style=""></div><div style="" data-mce-style=""><br data-mce-bogus="1"></div></div><div>For the mirror and back surface of the spherical mirror assembly, the results are:<br data-mce-bogus="1"></div><div><strong><span data-mce-style="text-decoration: underline;" style="text-decoration: underline;">Mirror Surface</span>:</strong> R = 2701.288 ± 0.279 mm<br data-mce-bogus="1"></div><div><strong><span data-mce-style="text-decoration: underline;" style="text-decoration: underline;">Back Surface:</span></strong> R = 2725.982 ± 0.252 mm<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Best regards,<br data-mce-bogus="1"></div><div>Tyler<br data-mce-bogus="1"></div></div></body></html>