■6 1 4 Account of an Imperfection of Sight. 
My bufinefs was behind a counter many years, where 
I had to do with variety of colours. I often, when alone, 
met with a difficulty ; but I commonly had a fervant in 
'the way to attend me, who made up my deficiency, I 
have been now feven years from trade. My eyes, thank 
God, are very good at difcerning men and things. 
If your learned Society can fearch out the caufe of 
this very extraordinary infirmity, and find a method for 
an amendment, you will be fo obliging to acquaint me. 
I am, &c. 
J. SCOTT. 
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