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 8.5 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 131.-WEIGHT OF HALF A CIRCLE OF CAST-IRON-- 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 We Weight of round plate, in lbs. 326 735 13 204 29'4 46 4'16 9'3 166 26 37.5 58.5 2:45 5'5 3'12 7' 14'7 15'5 22 12.5 19.5 28.5 44'5 57 74 116 168 228 296 368 456 544 661 900 53 73 85 709 843 1148| 34'5 40'2 334 52 75 102 133 208 300 408 532 95 131 169 264 378 473 675 256 368 496 652 818 1024 1223 1472 1985| 322 462 588 826 1044 1287 1558 1854 2524| |