Duodecimals.
					
	
	
	173
	

	
	ft. in.
		P-
	
	ft-
	in.p.
		
	ft-
	in.
	P-
	
	

V2)
	Mult.
	8
	5
	
	by
	4
	7
	
	Ans.
	38
	6
	11
	
	

(3)
	Mult.
	9
	8
	
	by
	7
	6
	
	a.
	73
	6
	0
	
	


	Mult.
	8
	1
	
	by
	3
	5
	
	a.
	27
	7
	5
	
	

(5)
	Mult.
	7
	6
	
	by
	5
	9
	
	a.
	43
	1
	6
	
	

(6)
	Mult.
	4
	7
	
	by
	3
	10
	
	a.
	17
	6
	10
	
	

i7)
	Mult.
	7
	5
	9
	by
	3
	5
	3
	a
	25
	8
	6
	2
	3.

8
	Mult.
	10
	4
	5
	by
	7
	8
	6
	a
	79
	11
	0
	6
	C.

(9)
	Mult.
	75
	7
	
	by
	9
	8
	
	a
	730
	7
	8
	
	

(10)
	Mult.
	97
	8
	
	by
	8
	9
	
	a.
	854
	7
	0
	
	

(11)
	Mult.
	57
	9
	
	by
	9
	5
	
	a.
	543
	9
	9
	
	

(12)
	Mult.
	75
	9
	
	by
	17
	7
	
	a.
	1331
	11
	3
	
	

(13)
	Mult.
	87
	5
	
	by
	35
	8
	
	a.
	3117
	10
	4
	
	

(14)
	Mult.
	179
	3
	
	by
	38
	10
	
	a.
	6960
	10
	6
	
	

(15)
	Mult.
	259
	2
	
	by
	48
	11
	
	a.
	12677
	6
	10
	
	

(16)
	Mult.
	257
	9
	
	by
	39
	11
	
	a.
	10288
	6
	3
	
	


	Mult.
	311
	4
	7
	by
	36
	7
	5
	a.
	11402
	2
	4
	11
	11

(18)
	Mult.
	321
	7
	3
	by
	9
	8
	6
	a.
	2988
	2
	10
	4
	6


	
	
	
	
	THE  APPLICATION.
					
	
	
	
	

Artificers' work is computed by different measures, viz.,

1.   Glazing and masons' flat work by the foot.

2.   Painting, plastering, paving, &c. by the yard.

3.  Partitioning, flooring, roofing, tiling, &c. by the square of 100 feet.

4.   Brick-work, &c. by the rod of 16| feet, whose square is 2721.

1.  measuring by the foot sq.uare. as olaziees and masons' flat work.

examples.

(19) There is a house with 3 tiers of windows, 3 in a tier ; the height of the first tier is 7 feet 10 inches, the second is 6 feet 8 inches, and the third 5 feet 4 inches, the breadth of each is 3 feet 11 inches—what will the glazing come to at 14d. per foot?

V                                  h-3