Size.

Lights.

6

by

8

300

7

by

9

229

8

by

10

180

8

by

11

164

8

by

12

150

9

by

10

160

9

by

11

146

9

by

12

133

9

by

13

123

9

by

14

114

9

by

16

100

10

by

10

144

10

by

12

120

10

by

13

111

10

by

14

103

10

by

15

96

10

by

16

90

10

by

17

85

10

by

18

80

II

by

11

119

11

by

12

109

11

by

13

101

11

by

14

94

11

by

15

87

11

by

16

82

11

by

17

77

11

by

18

73

12

by

12

100

J ■>.

by

13

92

Size.

Lights.

12

by

14

86

12

by

15

80

12

by

16

75

12

by

17

71

12

by

18

67

12

by

19

63

12

by

20

60

12

by

21

57

12

by

22

55

12

by

23

52

12

by

24

50

13

by

14

79

13

by

15

74

13

by

16

69

13

by

17

65

13

by

18

61

13

by

19

58

13

by

20

55

13

by

21

53

13

by

22

50

13

by

24

46

14

by

14

73

14

by

15

68

14

by

16

64

14

by

17

60

14

by

18

57

14

by

19

54

14

by

20

51

14

by

21

49

Size.

Lights.

14

by

22

47

14

by

24

43

15

by

15

64

15

by

16

60

15

by

18

53

15

by

20

48

15

by

21

46

15

by

22

44

15

by

24

40

16

by

16

56

16

by

17

53

16

by

18

50

16

by

20

45

16

by

21

43

16

by

22

41

16

by

24

38

17

by

17

50

17

by

18

47

17

by

20

42

17

by

22

38

17

by

24

35

18

by

18

44

18

by

20

40

18

by

22

36

18

by

24

33

19

by

19

40

19

by

20

38

19

by

22

34

19

by

24

32

Size.

Lights

20

by

20

36

20

by

22

33

20

by

24

30

20

by

25

29

20

by

26

28

20

by

28

26

21

by

27

25

22

by

24

27

22

by

26

25

22

by

2S

23

24

by

28

21

24

by

30

20

24

by

32

19

25

by

30

19

26

by

36

15

28

by

34

15

30

by

40

12

31

by

36

13

31

by

40

12

31

by

42

12

32

by

42

10

32

by

44

10

33

by

45

10

34

by

46

9

30

by

52

9

82

by

56

8

33

by

56

8

86

by

58

7

38

by

58

7

measurement of plumbers' work.

Plumbers' Work is rated at so much a pound, Of else by the hundred weight, of 112 pounds. Sheet lead, used In roofing, guttering, etc, is from 7 to 19 II quare foot. And a pipe of an inch bore is commonly from 6 to 13 lbs. to the yard in length. - [See Table," Weight of Lead Piper foot" ]