COMPRESSIVE STRENGTH OB ANTHRACITE
																,								4,250	6,537	3						
																								1,937	5,704	3						
																								1,887	2,350	3						
																											2,201	7,041	3			
																											2,258	3,803	3			
																											2,417	3,109	3			
																					1,812	3,766	3	5,075	7,646	3	1,287	5,253	3			
																					1,262	3;020	2	1,987	5,258	3	1,775	4,062	3			
																					1,440	1,895	3	2,488	3,577	3	1,800	2,141	3			
						Oldl	Senne	־,t.	Fit׳	e-foot																						
				6,569																												
									2,116																							
			M57		3		ö',39i			3^665		845	3,182																			
																		2,017	4,195	2	1,994	6,519	2									
																		MIO	2,550	2	1,732	3'519	2									
																		1,425	2'249	2	2,259	3,275	2									
												2,562	6,160	2							2,522	5,671	2									
							2,279	2				1,887	2,946	2							1,587	2'368	2									
												1,937	3'l79	2							1,550	2; 620	2									
Ge	orge.					IV	ills.																									
														1				6,500	7,802	1	6,500	7,500	1									
																		1,500	2,115	1	1,125	3'402	1									
1^250	3^082		1,627	M60		1,125	2^512					1,250	3,750					1,305	2,360	1	2,315	3,000	1									
																																		
2,930	7,009	4	3,132	6,504	10	2,877	5,407	14	1,940	5,416	11	3,550	6,566	22	2,450	5,985	9	2,951	6,054	22	2,917	5,330	15	4,378	6,335	9	1,744	6,147	6	2,978	6,014	122
3,008	6,321	4	1,618	3,409	10	2,122	4,144	14	1,551	2,85C	1C	1,99C	4,266	22	2,126	3,043	8	2,402	4,157	22	1,714	4,424	14	1,957	5,480	6	2,016	3,933	6	2,025	4,087	116
1,925	3,044	4	1,557	2,365	7	2,025	3,247	15	1,673	2,611	10	2,101	3,295	20	1,817	2,824	8	1,548	2,363	22	1,775	2,601	15	2,220	2,947	6	2,108	2,625	6	1,848	2,800	113
																																351
42	100		49	100		53	100		36	100		54	100		41	100		49	100		57	100		69	100		28	100		48.4	100	
47	100		47	100		51	100		54	100		47	100		7C	100		58	100		39	100		36	100		51	100		49.5	100	
63	100		61	100		50	100		64	100		64	100		64	100		65	100		68	100		75	100		80	100		65.8	100	
100	100		100	100		100	100		100	100		100	100		100	100		100	100 ״		100	100		100	100		100	100		100.	100.	
105	90		52	52		74	77		80	53		56	65		87	51		81	69		56	83		45	86		115	64		67.	65.5	
66	40		51	36		70	67		86	48		60	50		70	47		53	39		58	50		50	46		121	43		62.1	45.7...	
Greenwood........
Langcliffe.......
William “A”.....
Button wood and Plymouth.........
Avondale.........
Alden............
Nanticoke
General average...
Proportion 1: First crack-i-max. load, i. e., percentage___
Proportion 2: Tests 2and4-־-testl,i.e.. percentage..........
00