Report from George Blagden
The mode stone cutters practice for the valuation of columns, in stone similar to that got at Aquia.
1st. The stone in a quarried state per foot cube
|Base if the Attic||1/40 per foot superficial|
|if tuscan||1/ do|
Shaft suppose in three pieces, first block including cincture and third the astragal at $/50 per foot Super
For the circumferance of bare girt the upper toras and capital the upper part of Ovolo.
Girt the shaft at bottom and that multiplied into the height including cincture and astragal.
The above prices is for a column of two feet diameter, setting will be an extra expence.
MS (DLC); in Blagden’s hand, with calculations added by TJ in pencil in the margin, partially obscured by tape, for a total of $101.80; endorsed by TJ: “Prices. Stone cutting of columns.”
On 9 July, Blagden sent John Lenthall an estimate for the cost of a Corinthian column for the Capitol (RC in DLC; endorsed by TJ: “Capitol. Blagden’s cost of a column. 736.62
|the Middle block of the Capitol is||100||f.|
|each recess 30. f. the two||60|
|each wing 90. f. the two||180|