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192. Welded armor. Progress report on effect of locked up stresses on ballistic performance of welded armor (OD-106), investigation of stress distribution across thickness of weld [with list of references]: by John T. Norton, D. Rosenthal, and S. B., Maloof.

200. OSRD reports. 4235. Progress report on investigation of boron in armor plate (OD-87): Endurance properties of basic open hearth steel containing 0.4 per cent carbon ana 1.6 per cent manganese without and with boron addition; by L. R. Jackson, J. M. Berry, J. S. Jackson, A. R. Elsen, and C. H. Lorig.