{
  "three_model_field_widths": [
    0.1,
    1,
    10
  ],
  "tenfold_steps": "PASS",
  "constant_model_anchor": "PASS",
  "ruler_pixels": 192,
  "ruler_fraction_of_field": 0.2,
  "historical_physical_calibration": "not available, not claimed",
  "model_boundary_labels": "present in actual output",
  "whole_film_AV": "not reviewed"
}