265
INTERNAL STRAINS IN GUN FORGINGS.
Muzzle Slice.
Interior diameter, 4".16; exterior diameter, 8".52. Original diameters of rings in the slice.
Rings.	Diameters.		
	A.	B.	Mean.
	Inches. 4.3017 5.1436 7.1416 8.3252	Inches. 4.3012 5.1478 7.1416 8.3333	Inches. 4.30145 5.1457 7.1416 8.32925
			
			
			
			
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Rings.	Diameters.		
	A.	B.	Mean.
	Inches. 4.3089 5.1431 7.1415 8.3126	Inches. 4.3062 5.1463 7.1404 8.3485	Inches. 4.30755 5.1447 7.14095 8.33055
			
			
			
			
KINGS ALL DETACHED.
2 detached		5.1450	5.1501	5.14755
3 detached		7.1386	7.1368	7.1377
Muzzle strains released.
Rings.	Diameters.		
	A.	B.	Mean.
	Inch.	Inch.	Inch.
1 detached		+.0072	+.0050	+ .0061
	-.0005	-.0015	-.0010
	-.0001	-.0012	-.00065
4 detached		-.0126	+.0152	+.0013
SECOND TO THIRD PHASE.
2 detached			I +.0019	+ .0038	+ .00285
3 detached			| -.0029	-.0036	-.00325
FIRST TO THIRD PHASE.
2 detached				+.0014	+.0023	+.00185
3 detached		-.0030	-.0048	—.0039