"At the request of the Office, Chief of Ordnance, a 76MM HE round of Soviet ammunition was submitted to this Arsenal by Picatinny Arsenal for a metallurgical examination. ... The shell was visually examined to obtain significant identification markings and design features, after which a detailed, dimensioned drawing was prepared. The shell was then sectioned to obtain metallurgical specimens for chemical analyses, hardness surveys, macroetch tests, microscopic examination, tensile, and V-notch Charpy impact tests."--Page 1.

Object --Summary -- Conclusions -- Introduction -- Test procedure -- Results and discussion -- Visual examination -- Properties of shell components -- Appendix A Letter file ORDBB-T 386. 3/6-39, WTN 386. 3-571(R).