Wilbert Smith Archives Files Box 1131 19 1131-19-p062
Document Text (OCR)
| Figure 2. Non-magnetic steel, etched in 2% nital, | * Twin lines near edge of specimen. X600 ‘ Pre | I RR nr — nd »...
| Figure 2. Non-magnetic steel, etched in 2% nital, | * Twin lines near edge of specimen. X600 ‘ Pre | I RR nr — nd »...