467 BRICKS. B wood (clear white-pine WHOLE BRICKS. SERIES Bricks placed between cushions of pine stock) thick. Total thickness, on each side of the brick. No. of test. Dimensions. Ultimate strength. No. of brick. Height. Compressed surface. Sectional area. First crack. Total. Per square inch. 10313& 3 Inches. Inches. Inches. Sq. inches. Pounds. 2.50 4.26 8.40 35.78 31,000 102,100 2,850 103145 9 2.50 4.26 8.44 35.95 36,700 162,200 4; 510 6,680 103156 15 2.38 4.02 8. 46 34.01 108,000 227,300 103165 21 2.27 4.05 8.23 33.33 201,000 368,000 11,040 103175 24 2.31 3.97 8.18 32.47 198,000 331,900 10i220 103185 27 2.38 3.99 8.41 33.56 82,000 196,600 5j 860 103195 30 2.35 4.02 8.34 33.53 52,000 191,000 5,700 103206 33 2.63 4.12 8.61 35.47 42,000 158,900 4,480 103216 36 2.43 4.15 8.49 35.23 45,500 166,100 4,710 103226 39 2.32 4.06 8.31 33.74 8,000 182,300 5,400 103246 47 2.40 4.09 8.55 34.97 31,000 117,800 3’ 370 103256 50 2.51 4.07 8.67 35.29 25,000 117,700 3,340 4,120 103276 56 2.40 4.06 8.45 34.31 69,000 141,300 103286 59 2.53 4.10 9.13 37.43 257,000 346,800 9,270 103296 62 2.45 4.23 8.89 37.60 90,800 283,800 7,550 103306 65 2.51 4.18 8.81 36.83 35,000 112,700 3,060 103316 71 2.49 4.00 8.52 34.08 23,500 138,200 4', 060 103326 77 2.59 4.17 8.55 35.65 79,000 156,800 4'400 103336 83 2.37 4.22 8.55 36.08 17,000 125,600 3^480 HALF BRICKS. Each half of an entire brick tested. Compressed surfaces faced with plaster of paris. No. of test. Dimensions. Ultimate strength. Marks. Height. Compressed surface. Sectional area. First crack. Total. Per square inch. 10334 4 Inches. 2.52 Inches. 4.25 Inches. 4.14 Sq. inches. 17.60 Pounds. 39,800 Pounds. 83,400 Pounds. 4, 740 10335 4 2.50 4.25 4.21 17.89 48,500 87,300 4' 880 10336 10 2.42 4.15 4.34 18.01 55,000 111,800 6', 210 10337 10 2.38 4.15 4.24 17.60 36,000 102, 700 5' 840 10338 16 2.39 4.15 4.20 17.43 59,000 119,600 6^860 10339 16 2.39 4.14 4.33 17.93 82,000 147,500 8,230 10340 40 2.36 4.12 4.16 17.14 73,000 101,300 5,910 10341 40 2.32 4.12 4.16 17.14 68,000 100,400 5,860 10342 66 2.53 4.17 4.30 17.93 80,500 85,900 4 ,790 10343 66 2.52 4.15 4.44 18.43 49,900 93,800 5,090 10344 72 2.46 4.09 4.21 17.22 65,000 85,600 4,970 10345 72 2.46 4.09 4.26 17.42 84,000 95,700 5', 490 10346 78 > 2.60 4.16 4.23 17.60 63,000 86,200 4,900 10347 78 2.61 4.17 4.25 17.72 59,000 92,100 5; 200