Accession Number : ADA954817

Title :   Inspection Manual for Macroetching (Macroexamination of Gun Forgings and Breechblock Forgings). Revision 1,

Corporate Author : WATERTOWN ARSENAL MA

Personal Author(s) : Reed,N. L.

Report Date : 1941

Pagination or Media Count : 109

Abstract : This manual is intended for use with U. S. Army Specification 57-103A 'Specification for Gun Forgings for the United States Army and Navy' when gun forgings of any type or size are procured for Ordnance work. It is also usable with specifications covering the procurement of forgings for Breechblocks. The manual indicates methods of preparation of test pieces for macroetching and current standards for the interpretation of structures disclosed for macroetching.

Descriptors :   ARMY, BREECH MECHANISMS, FORGING, GUNS, MILITARY FORCES(UNITED STATES), ORDNANCE, PREPARATION, PROCUREMENT, WORK

Subject Categories : Fabrication Metallurgy
      Guns

Distribution Statement : APPROVED FOR PUBLIC RELEASE