Hello All,
 
I think Tony's remarks about the dial may be correct and all the gnomons of these ancient(!) dials may be held by Whitworth threaded screws!
 
The earliest date from Patrick was 1640 but Richard gives us a date of 1882 for the publication of the book.
 
David reinforces this with his attachment from the Gatty book and it may be that the earliest dial with this motto is, in fact, 1892.
 
Where do we go from here, I wonder?
 
Silas.  Lat 52.5  long. 2.8W

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