A Letter From My Sister Mary Burrill

Unfortunately this somehow got cropped off at the top when I scanned it, and in packing to move, I do not know where the letter is.  I will recreate it if possible, but not much was missing.  I think that it begins with just a note about sitting down on a bad day to write.  As you can see by the numbers, this is part of a very long narrative of their (Mary and Fred Burrill) years following retirement, when they were working on their house in Maine.
It starts by saying that she has decided to write about her memories of William Everett Mitchell, our grandfather: