Table 128.-Weight of Lead REQUIRED FOR THE JOINTS OF CAST-Iron SOCKET-PIPES.

Table

129.

-WEIGHT OF ONE FOOT IN LENGTH OF ANGLE-STEEL AND

TEE-STEEL.

Breadth

of Steel.

THICKNESS OF THE MIDDLE OF EACH WEB OR FLANGE.

Inch. Inch. Inch. Inch. Inch. Inch. Inch. Inch. Inch. In.

1'90 2.30 3'02

1 × 1 235 2.87

2

3'37 3'84

X 1 2.79 3'41 4'01 4'60 5:16

X 2

4'22 3'94 465 5'34 5'98

6.6

2 × 23.64 4'48 5'30 6:07 6.84 7.6 8.3

x 2 407 4'50 5'94

6.82

7'70
8.56 9'5 10'5

8.5

9'4

12 2

8.33

9'41 105 115 13.5

3 x 3 5'35 6.62

222333344+

X X X X X X X X X X X X X X X X X X X X

445

66

12

5.78

7.87 9'10 10 27 115 126 14'8 7:15 8.51 9.84 1113 124 137 161

6.21 7.69 9.15 10:58 12:00 134 147 17'5

Table 130.-WEIGHT OF 12 INCHES IN LENGTH OF CAST-IRON CYLINDERS.

Table 130 continued.-WEIGHT OF TWELVE INCHES IN LENGTH OF CAST-IRON CYLINDERS.

Table 131.-WEIGHT OF HALF A CIRCLE OF CAST-IRON--
DEPTH HALF THE DIAMETER.

Table 132.-WEIGHT OF SMALL CAST-IRON SPUR WHEELS, OR

NOTE. To find the diameter at the pitch line of any of these wheels:- Divide the number of teeth by the given diametral pitch. The full depth of teeth of these wheels is ths the circular pitch.

Table 133.-WEIGHT OF CIRCULAR AND SQUARE CAST-IRON PLATES