The inclosed paper will give you Mr. Bonnycastles ideas, of the mode to remedy, the smoking of the Chimnies of the Rotunda I wish you to consider it -- & make an Estimate of the cost -- with the view to trying it -- should the result of your calculation recommend it -- If we can prevent the smoking -- I should like to deferr the disfiguring the Building by running up Chimnie Shafts -- and take the risk of guarding against fire, by keeping them clear of Soot. -- Let me hear from you by post and whenever it may be necessary I will come up -- Yours respectfully
P.S. You need put yourself to no further trouble about the Communication to Philip