BRICKS,
470
No. of brick.	Kind.	Method of manufacture.	Color.	Water absorbed in 24 hours by weight.
55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83	Sewer —	Machine; semidry; re-pressed		Medium red		Per cent. 12.9 10.5
	Vitrified sewer.		Light brown, dark speckles. 	do		1.2 j
				0.48 0.64 1.2 2.4 1.05 9.1 9.3 10.4 10.7 9.5 10.2 11.8 12.9 10.4 10.7 9.8 7.6 9.6 9.0 11.6 10.4 13.4 13.1 f 8.0 6.5 1 7.1
				
			Buff		
				
				
	Common ..	Machine; soft mud		Medium red		
				do		
				do		
				do		
				
	Sewer —	Machine; semidry; re-pressed			
				do		
				do		
				do		
				
				do		
				do		
				do		
				
				do		
			Lighter than average 1 Reddish brown on l exterior and cherry red inside.	
		Machine; stiff mud; side cut			
				
			1