2nd Critical Angle C C 57 S (Surface Wave) 90
{"Image DocumentName": "2nd Critical Angle C C 57 S (Surface Wave) 90", "Image ImageDescription": "Shear wave refracted at 90 degrees. Shear wave becomes a surface wave.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}