BRICKS,
468
HALF BRICKS. SERIES A.
Each half of an entire brick tested.
Compressed between cushions of card board.
Total thickness of card board each side of the brick, i״.
		Dimensions.					Ultimate strength.	
No. of test.	Marks.	Height.	Compressed surface.		Sectional area.	First crack.	Total.	Per square inch.
10334a	5	Inches. 2.48	Inches. 4.26	Inches. 3.77	So. inches. 16.06	Pounds. 34,200	Pounds. 53,700	Pounds. 3,340
10335a	5	2.50	4.26	4.27	18.19	53,000	76,800	4,220
10336a	11	2.44	4.10	4.22	17.30	30,000	71,300	4,120
10337a	11	2.42	4.11	4.31	17.71	22,300	76,600	4,330
10338a	17	2.38	4.03	4.25	17.13	31,000	106,200	6,200
10339a	17	2.37	4.06	4.19	17.01	66,800	107,400	6,310
10340a	41	2.36	3.96	4.17	16.51	28,000	87,200	5,280
10341a	41	2.37	3.98	4.07	16.20	35,200	92,800	5,730
10342a	67	2.49	4.06	4.31	17.50	46,000	70,100	4,010
10343a	67	2.46	4.09	4.39	17.96	41,500	67,800 66,900	3,780
10344a	73	2.58	4.19	4.29	17.98	56,800		3,720
10345a	73	2.60	4.18	4.34	18.14	64,000	77,800	4', 290 3,160
10346a	79	2.58	4.29	4.28	18.36	40,000	58,100	
10347a	79	2.57	4.29	4.32	18.53	23,000	65,300	3,520
HALF BRICKS. SERIES B.
Each half of an entire brick tested.
Compressed between cushions of pine wood..
Total thickness of wood each side of the brick, £".
		Dimensions.					Ultimate strength.	
NO. Of test.	Marks.	Height.	Compressed surface.		Sectional area.	First crack.	Total.	Per square inch.
	6	Inches. 2.39	Inches. 4.09	Inches. 4.34	Sq. inches. 17.75	Pounds. 11,200	Pounds. 64,200	Pounds. 3,620
103355	6	2.43	4.12	3.77	15.53	34,200	53,000	3,410
103365	12	2.44	4.15	4.19	17.39	18,000	56,500	3,250
103375	12	2.41	4.14	4.36	18.05	48,000	68,500	3,800
103385	18	2.42	4.18	4.30	17.97	40,000	113,000	6,290
103395	18	2.42	4.21	4.35	18.31	20,000	85,100	4,650
103405	42	2.29	4.09	4.21	17.22	60,000	94,800	5,510
103415	42	2.30	4.10	4.10	16.81	91,500	103,100	6,130
103425	68	2.53	4.16	4.26	17.72	63,000	77,300	4,360
103435	68	2.50	4.12	4.32	17.80	66,000	84,800	4, 760
103445	74	2.56	3.98	4.20	16.72	54,300	95,300	5,700
103455	74	2.52	3.99	4.22	16.84	37,500	98,500	5,850
103465	80	2.66	4.26	4.32	18.40	11,000	49,400	2,680
103475	80	2.65	4.25	4.29	18.23	51,000	63,400	3,480