These reference photographs are available on four large charts arranged for each type of discontinuity.

Plate 1 includes Linear Discontinuities

Plate 2 includes Shrinkage and Inclusions

Plate 3 includes Internal Chills and Unfused Chaplets, Porosity, and Welds

Plate 4 includes False Indications and Magnetic Anomalies. In total, this includes 47 photographs, approximately 38 inches x 20 inches.