BRICKS,
466
Common Brick
whole BRICKS.
Compressed surfaces faced with plaster of paris.
		Dimensions.					Ultimate strength.	
No. of test.	No. of brick.	Height.	Compressed surface.		Sectional area.	First crack.	Total.	Per square inch.
10313	1	Inches. 2.50	Inches. 4.22	Inches. 8.43	Sq. inches. 35.57	Pounds. 86,000	Pounds. 186,900	Pounds. 5,250
10314	7	2.48	4.12	8.57	35.31	107,000	257,200	7,280
10315	13	2.33	3.99	8.47	33.80	269,000	309,500	9,150
10316	19	2.27	4.04	8.19	33.09	442,000	609,000	18,400
10317	22	2.30	4.02	8.19	32.92	93,000	446,100	13,550
10318	25	2.43	4.11	8.67	35.63	108,000	234,800	6,590
10319	28	2.32	4.09	8.36	34.19	191,000	361,500	10,570
10320	31	2.55	4.02	8.51	34.21	216,000	312,000	9,120
10321	34	2.41	4.18	8.48	35.45	143,000	181,000	5,110
10322	37	2.38	4.00	8.33	33.32	164,000	282,500	8,480
10323	43	2.46	4.12	8.57	35.31	63,000	224,500	6,360
10324	45	2.41	4.14	8.57	35.48	96,000	242,700	6,840
10325	48	2.48	4.15	8.59	35.65	175.000	229,900	6,450
10326	52	2.36	4.08	8.50	34.68	142,000	207,000	5,970
10327	54	2.60	4.05	8.49	34.38	144,000	175,700	5,110
10328	57	2.50	4.16	9.04	37.61	282,000	653,000	17,360
10329	60	. 2.45	4.25	8.92	37.91	138,000	686,000	18,100
10330	63	2.49	4,07	8.70	35.41	185,000	216,100	6,100
10331	69	2.57	4.10	8.50	34. 85	153,000	180,600	5,180
10332	75	2.58	4.14	8.58	35. 52	190.000	259,900	7,320
10333	81	2.37	4.20	8.54	35.87	148,000	219,800	6,130
WHOLE BRICKS. SERIES A.
Bricks placed between cushions of cardboard, four thicknesses of tV׳ each.
Total thickness, i" on each side of the brick.
		Dimensions.					Ultimate strength.	
No. of test.	No. of brick.	Height.	Compressed surface.		Sectional area.	First crack.	Total.	Per square inch.
10313a	2	Inches. 2.50	Inches. 4.27	Inches. 8.44 '	Sq: inches. 36.04	Pounds. 39,900	Pounds. 169,100	Pounds. 4,690
10314a	8	2.42	4.11	8.54	35.10	77,300	201,200	5,730
	14	2.38	4.03	8.48	34.17	169,100	211, 300	6,180
10316a	20	2.32	4.04	8.26	33.37	356,200	394,300	11,820
10317a	23	2.34	3.92	8.34	32.69	32,100	514,900	15,750
10318a	26	2.38	4.05	8.40	34.02	61,800	210,100	6,180
10319a	29	2.32	3.99	8.22	32.80	32,300	257,200	7,840
10320a	32	2.56	3.97	8.68	34.46	94,500	207,300	6,020
10321a	35	2.42	4.16	8.47	35.24	35,400	177,900	5,050
10322a	38	2.21	3.96	8.19	32.43	4,200	292,400	9,020
10323a	44	2.48	4.19	8.59	35.99	72,000	169,300	4,700
10324a	46	2.50	4.20	8.65	36.33	93,000	170,200	4,680
10325a	49	2.55	4.06	8.55	34.71	121,000	197,900	5, 700
10326a	53	2.35	4.06	8.46	34.35	4,500	131,400	3,830
10327a	55	2.60	4.22	8.55	36.08	91,000	139,400	3,860
10328a	58	2.47	4.27	9.05	38.64	38,800	443,200	11,470
10329a	61	2.46	4.22	8.92	37.64	181,500	476,400	12,660
10330a	64	2.48	4.11	8.66	35.59	71,000	193,800	5,450
10331a	70	2.52	4.10	8.47	34.73	4,000	154,300	4,440
10332a	76	2.60	4.10	8.50	34.85	125,000	263,800	7,570
10333a	82	2.36	4.17	8.47	35.32	3,000	218,100	6,170