INNEE BASES---I5-P0UNDEB GUN MOUNTS.
150
N0. 7253.
Marks, x b Is Diameter, ".505..
Sectional area, .20 square inch. Gauged length, 2".
Applied loads per square inch.	Elongation per inch.	Successive elongation per inch.	Permanent set.	Successive permanent set.	Remarks.
Pounds. 1,000 5.000 10,000 20,000 30.000 35.000 36.000 37.000 38.000 39.000 40.000 77,600	Inch. 0. .00010 .00030 .00060 .00100 .00120 . 00850 . 00900 .00965 .01050 .01150	Inch. 0. .00010 .00020 .00030 . 00040 .00020 . 00730 .00050 .00065 . 00085 .00100	Inch. 0. 0.	Inch. 0. 0.	Initial load. Elastic limit. Tensile strength.
					
					
					
					
					
					
					
					
					
					
General summary.
77,600 35,000 .1250 .00120 .035
JK.eau0W.OU m area alter 1u.ptu!c, pc! ״״ביס	.......................---- - f
Character of broken surface............................ granular, silky spot at circumference
Elongation of inch sections..........................................................
Tensile strength per square inch of original section................................pounds..
Elastic 1 imit per square inch of original section.....................................־53־ - ■
Elongation per inch after rupture.....................................................men..
Elongation per inch under strain at elastic limit......................................
Seduction in diamete* at point of rupture.....—-.......................................ao---
. ״	nor onnt nf Arl'crinal CPPllAIT	______________..........

No. 7254.
Marks, ibis Diameter, ".505.
Sectional area, .20 square inch. Gauged length, 2".
Applied ioads per square inch.	Elongation per inch.	Successive elongation per inch.	Permanent set.	Successive permanent set.	Remarks.
Pounds. 1,000 5,000 10,000 20,000 30.000 31.000 32.000 33.000 34.000 35.000 71,300	Inch. 0. .00010 . 00035 .00065 . 00105 .00880 .00925 . 00975 .01050 .01150	Inch. 0. .00010 .00025 .00030 .00040 .00775 . 00045 .00050 .00075 .00100	Inch. 0. 0.	Inch. 0. 0.	Initial load. Elastic limit. Tensile strength.
					
					
					
					
					
					
					
					
					
General summary.
.pounds.. 71,300
....do... 30,000
___inch.. .2000
....do... .00105
....do...	.065
.......... 23.9
104.״ from neck
granular 60 per cent, silky 40 per cent
17.״ ,*23.״ ...................... 6
Tensile strength per square inch of original section....
Elastic limit per square inch of original section.......
Elongation per inch after rupture.......................
Elongation per inch under strain at elastic limit.......
Reduction in diameter at point of rupture...........; - ■ -
Reduction in area after rupture, per cent of original section,
Position of rupture.....................................
Character of broken surface.....................-.......
Elongation of inch sections.............................