Report of the tests of metals and other materials for industrial purposes made with the United States testing machine at Watertown Arsenal, Massachusetts, during the year ended ...

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G.P.O., 1919 - Architecture
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Contents

Examination of United States rifle caliber 30 model of 1917 No 43080
36
Examination of United States rifle caliber 30 model of 1903 which failed at Camp Greene N C
42
Investigation of three United States rifles caliber 30 model of 1917
45
Broken bolt from 45 caliber accuracy gun 50
50
Supplementary report on broken bolt from 45 caliber accuracy gun
52
Investigation of United States rifle caliber 30 model of 1917 No 62632
54
Examination of 45 caliber revolver model of 1917
57
Investigation of two United States rifles caliber 30 model of 1917 Nos 108282 and 100187 which failed at Camp Dodge r
59
Investigation of broken firing pins from revolvers model of 1917
62
Examination of three revolver barrels which failed in service
64
Examination of barrel from 45 caliber automatic revolver model of 1911
66
Examination of pintlebearing casting from 3inch field gun
68
Investigation of the castings produced by the centrifugal process
70
Examination of two malleableiron castings
79
Examination of 75millimeter shells
81
Examination of pistonrod liner for 75millimeter gun carriage
84
Examination of fragments from 155millimeter howitzer tube and jacket
87
Examination of spindle forging
89
Examination of breechring forgings received from a manufacturer
92
Examination of 240millimeter and 155millimeter recuperator forgings
95
Broken highspeed steel tool
109
30 Comparison of the LewisHayes and Berry extensometers 1ll 31 Examination of castings having different manganese content
115
Examination of high manganese steel castings
119
Experimental heat treatment of cast steel
121

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