Fig. 12 | Scientific Reports

Fig. 12

From: Novel application of SANS provides quantitative non-destructive identification of forming techniques in late Roman and early medieval pottery from Pannonia

Fig. 12

Summary of SANS tilting angle (angular axis) against isotropy (radial axis), measured in tangential plane, for experimental samples of Fabrics A, B and C, together with proposed expected ranges for different forming techniques. Yellow zones: wheel-throwing, WT, for clockwise (20° ≤  \({\alpha }_{Tan}\) ≤ 50°) and anticlockwise (– 50° ≤  \({\alpha }_{Tan}\) ≤ – 20°) wheel-rotation; Green zone: coil-building, CB, or coil-wheeling, CW, (– 15° ≤  \({\alpha }_{Tan}\) ≤ 15°); Grey zone: percussion-building, PB (0.950 ≤ \({I}_{Tan}\)≤1).

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