University of Virginia Library

8219. SUN-DIAL, Calculations for a.—

While much confined to the house by my rheumatism,
I have amused myself with calculating the hour lines of an horizontal dial for the
latitude of this place [Poplar Forest]. * * * As I do not know that anybody here has taken
this trouble before, I have supposed a copy
would be acceptable to you.—
To Mr. Clay. Washington ed. vi, 7.
(P.F.,,
18111811)gt;