1,000 shingles laid 4 inches to the weather will cover 100 square feet of surface, and 5 pounds of shingle nails will fasten them on.

One-fifth more siding and flooring is needed than the number of square feet of surface to be covered, because of the lap in the siding and matching. 100 laths will cover 70 yards of surface, and 11 pounds of lath nails will nail them on. 8 bushels of good lime, 16 bushels of sand, and 1 bushel of hair will make enough good mortar to plaster 100 square yards.

A cord of stone, 3 bushels of lime, and a cubic yard of sand, will lay 100 cubic feet of wall.

Five courses of brick will lay one foot in height on a chimney, 8 bricks in a course will make a flue 4 inches wide and 12 inches long, and 16 bricks in a course will make a flue 8 inches wide and 16 inches long.

Cement, one bushel, and sand, two bushels, will cover 3 1/2 square yards 1 inch thick, 4 1/2 square yards 3/4 inch thick, and 6| square yards 1/2 inch thick; 1 bushel cement and 1 bushel of sand will cover 2 1/4 square yards 1 inch thick, 3 square yards § inch thick, and 4 1/2 square yards 1/2 inch thick.

Number of Bricks Required in Wall per Square Foot Face of Wall

Thickness of Wall No.

4 inches.................. 7 1/2

8 " .................. 15

12 ".................... 22 1/2

16 ".................... 30

20 " .............. ... 37 1/2

Thickness of Wall No.

24 inches.................. 46

28 " .................. 52

32 " .................... 60 1/2

36 " .................. 67

42 " .................. 75 1/2

The Number of Bricks Required to Construct any Building

Reckoning 7 bricks to each superficial foot. Example - Required the number of bricks in 100 superficial feet of wall, 12 inches thick. Under 12 inch, and opposite 100, you will find the answer, 2,250, the number of bricks required.

Superficial

Feet of Wall

Number of Bricks to Thickness of

4 inch

8 inch

12 inch

16 inch

20 inch

24 inch

1

7

15

23

30

38

45

2

15

30

45

60

75

90

3

23

45

68

90

113

135

4

30

60

90

120

150

180

5

38

75

113

150

188

225

6

45

90

135

180

225

270

7

53

105

158

210

263

315

8

60

120

180

240

300

360

9

68

135

203

270

338

405

10

75

150

225

300

375

450

20

150

300

450

600

750

900

30

225

450

675

900

1,125

1,3)0

40

300

600

900

1,200

1,500

1,800

50

375

750

1,125

1,500

1,875

2,250

60

450

900

1,350

1,800

2,250

2,700

70

525

1,050

1,575

2,100

2,625

3,150

80

600

1,200

1,800

2,400

3,000

3,600

90

675

1,350

2,025

2,700

3,375

4.030

100

750

1,500

2,250

3,0J0

3,750

4,500

200

1,500

3,000

4,500

6,000

7,500

9,000

300

2,250

4,500

6,750

9,000

11,250

13,500

400

3,000

6,030

9,000

12,000

15,000

18,000

500

3,750

7,500

11,250

15,000

18,750

22 500

600

4,500

9,000

13,500

18,000

22,500

27.C00

700

5,230

10,500

15,750

21,000

26,250

31,500

800

6,000

12,000

18,000

24,000

30,000

36,000

900

6,750

13,500

20,250

27,000

33,750

40,500

1,000

7,500

15,000

22,500

30,000

37,500

45,000