INTERNAL STRAINS IN GUN FORGINGS. 266 Tube 11775 B2. Muzzle Slice. Internal strains and stresses at different phases of the Llice. Measurements on diameters C and D. SLICE INTACT. Interior diameter of slice, 4".16; exterior diameter of slice, 8".52. Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. 1 Inches. 4.3051*5 5.1548 7.14855 8.33885 Inch. Inch. .0064 .00185 Pounds. Pounds. 44,500 10,800 2 3 .0037 .. 00785 15,500 28,200 4 Rings 1 and 4 detached; rings 2 and 3 in the slice. Interior diameter of slice, 5"; exterior diameter of slice, 7".3. Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. Inches. 4.31155 5.1538 7.1479 8.3310 Inch. Inch. Pounds. Pounds. 2 . 00285 16,600 3 . 00305 12,800 RINGS ALL DETACHED. 5.15665 7.14485