I'm not connected in anyway. I know George Rodger was a writer in Selkirk who, in 1782, was trying to "cultivate the friendship" of the Incorporation of Taylors. Also on the accompt someone has transcribed "probably son of James Rodger, Deacon in 1752"
If these are the same Rodgers than I don't think you will have much trouble tracing them as writers tended to be well documented, and I beleive George was also the town clerk in Selkirk.
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Have sent it.
What you may notice, apart from the excellent handwritten, is the 1782 looks like a 1702!