540 CEMENT--SET AT DIFEERENT TEMPERATURES. DETAILS OF COMPRESSION TESTS OF SPECIMENS EXPOSED TO 0° F. TEMPERATURE WHILE SETTING, AND SUBSEQUENTLY AT 70° F.—Continued. Remarks. Corner gone. Brand of cement. Composition. Time of setting in air at temperature of— Dimensions. Sectional area. Ultimate strength. Ce- ment. Sand. water. 0*° F. 70° F. Height. Compressed surface. Total. Per square inch. Mean. Per cent. Days. Days. Inches. Inches. Inches. So. inches. Pounds. Pounds. Pounds. 36.2 90 2.03 1.91 2. 08 3.94 2,110 532 2.0Ò 2.05 2.12 4.35 2,570 591 2.02 2.00 2.06 4.12 1,990 483 2.03 2.03 2.12 4.30 2,600 605 2.00 2.00 2.15 4.30 2,480 577 558 Neat. 36.2 90 1.99 2.11 2.02 4.26 2,500 587 2.01 2.08 2.01 4.18 2,670 639 2.01 2.11 2.03 4.28 2,800 654 1.93 2.08 2.02 4.20 2,870 683 2.00 2.12 2.03 4.30 2,910 677 648 Neat. 36.7 30 1 2.03 2.05 2.14 4.39 1,120 255 2.06 2.02 2.07 4.18 1,010 242 2.02 2.04 2.06 4.20 890 212 2.08 2.02 2.11 4.26 880 207 2.01 2.03 2.14 4.34 1,190 274 238 Neat. 36.7 30 2.04 2.00 2.10 4.20 1,780 424 2.01 2.02 2.17 4.38 2,040 466 2.00 2.03 2.14 4.34 2,020 465 2.06 2.03 2.09 4.24 1,800 425 2.04 2.02 2.11 4.26 1,970 462 448 Neat. 36.7 30 14 2.03 2.06 2.09 4.30 2,100 488 2.Ò2 2.01 2.09 4.20 2; 080 495 2.08 2.01 2.08 4.18 1,890 452 2.04 2.02 2.07 4.18 1,770 423 2.02 2.04 2.06 4.20 2,010 479 467 Austin Neat. 36.7 91 1 1.97 2.05 2.06 4.22 1,090 258 2.08 2.10 2.04 4.28 890 208 2.02 2.16 2.05 4.43 1,020 230 2.03 2.10 2.02 4.24 1,070 252 2. 02 2.16 2.04 4.41 1,140 259 241 Stl. F. 13. Aus. F. 6.....