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L 3.6-inch B. L. field mortars, breechblocks, obturating spindles, and gas
CilcCKS
2.	5-inch B. L. siege rifles........................ .................
3.	6-inch R. F. guns, tubes, and jackets..............................
4.	7-inch B. L. siege howitzers, tubes, and jackets__. _’ .׳
5.	10-mch steel B. L. rifles, tubes, and jackets..
6.	12-inch steel B. L. rifles, tubes, and jackets...A״!!״״״״
7.	12-inch steel B. L. rifled mortars, tubes, and jackets
8.	Gas-check disks, for 12-inch steel B. L. rifles..
9.	Rifle barrels, .30-caliber.......
10.	Hydrostatic tests, .30-caliber rifle "barrels, breech sections
11.	Steel for gun mounts, 6-pounder and 15-pounder............
12.	Recoil mechanism, 15-pounder Driggs-Seabury gun
13.	Internal strains in gun forgings...........
14.	Internal strains in treated tube........_	...........
15.	Cast iron and pig irons....................
16.	Anchor bolts............................
17.	Riston rods, proof stresses........................
18.	Retraction chains..........................’
19.	Retraction and buffer bracket hooks........\
20.	Helical springs............................
21.	Nickel steel .־_........................... ..................
22.	Steel for standardizing testing machine....... ......................
23.	Steel plate................................
24.	Eye bars................................
25.	Wrought-iron bars, overstrained metal......
26.	Bronze..................................... .........................
27.	Heidel’s metal............................................
28.	Copper cylinders for pressure gauges .
29.	Bricks..................................־.;;.........................
30.	Cement.....................................[ ........................
31.	Concrete................................
32.	Cement rock................
33.	Steel bars embedded in concrete......................................
34.	Push bars embedded in concrete..................... '
35.	Glass...................................
36.	Endurance test of rotating shaft.....................................
37.	Metal from endurance tests of rotating shafts .AT״
38.	Cartridge cloth...............................
39.	Paper......................................
30. Chemical analyses..............................
41. Private tests....................... ]................................
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