238 A Key to Civil Architecture : Or,
A surveyor having measured and squared thedifferent dimensions of brick-work, set them downfor addition as follows:
Rods
Ft.
To foundations, vaults, 8cc.
6
5°
The several walls in the first story
9
80
Ditto to the second
8
43
Attic-story --
6
84
Gable-ends and chimnies
1
*9
31 4
My reader must observe that a rod of brick-workis 272 and z, therefore must prick at 272 feet; if notso much, set down the remains of feet, and add upthe rods, and these examples may serve for everything else of whatever denomination.
Addition of Feet and Inches.
Ft.
53
42
82
Note, for every 12 inchescarry one to the feet.
178 10
Addition of Yards, Feet, and Inches.
Yds'.
Ft.
In."]
Note, as nine feet are a
12
9
4 I
yard, so at every nine
7
4
3 I
feet you must carry 1 to
13
6
2 J
the yard as in the ex-
ample.
33
7
9
Addition