542	CEMENT--SET AT DIFFERENT TEMPERATURES.
DETAILS OF COMPRESSION TESTS OP 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.
	Neat.		38.4	90	1	2.01	2.13	2.04	4.35	2,070	476	
proved.						2.04	2.11	2. 07	4.37	1,850	423	
						2.02	2.11	2.08	4.39	2,200	501	
						2.01	2.10	2.05	4.31	2,210	513	478
	Neat.		38.4	90		2.04	2.08	2.02	4.20	3,100	738	
						2.07	2.14	2.04	4.37	3,710	849	
						2.00	2.12	2.03	4.30	3,420	795	
						2.04	2.12	2.02	4.28	3,720	869	810
			38.4	90	14	2.02	2.10	2.01	4.22	4,040	957	
						2.03	2.10	2.01	4.22	4,200	995	
						2.03	2.12	2.04	4.32	4,400	1,020	
						2.03	2.11	2.04	4.30	4,800	1,120	1,020
	Neat.		35.7		1	2.03	2.06	2.13	4.39	870	198	
						2.03	2.06	2.16	4.45	890	200	
						2.06	2.02	2.06	4.16	720	173	
						2.04	2.03	2.04	4.14	520	125	
						2.00	2.01	2.07	4.16	630	151	169
	Neat.		35.7		7	2.02	1.90	2.05	3.90	1,260	323	
						2.01	2.02	2.04	4.12	1,500	364	
						1.93	2.02	2.06	4.16	1,880	452	
						2.03	2.03	2.04	4.14	1,320	319	
						2.02	2.04	2.05	4.18	1,300	311	354
	Neat.		35.7		14	2.00	1.97	2.14	4.22	2,060	488	
						1.99	2.12	1.99	4.22	i; 980	469	
						2.03	2.05	2.15	4.41	2,800	635	
						1.96	2.02	2.14	4.32	2,270	525	
						1.99	2.00	2.15	4.30	2,510	584	540
	Neat.		35.7	15	1	2.02	2.01	2.04	4.10	810	198	
						2.00	1.98	2.06	4.08	690	169	
						2.04	2.02	2.08	4.20	710	169	
						1.99	1.99	2.15	4.28	650	152	
						2.03	2.00	2.12	4.24	950	224	Ì82
B. I. F. 7......
H. F. 14.