{
  "name": "T1908 \u2014 Precision Telegraph Key",
  "seed": 403131,
  "units": "metres",
  "authenticity": "Historically informed synthesis, not replica of a specific manufacturer",
  "moving_node": "MOVING_LeverAssembly",
  "pivot": [
    0.043,
    0.0,
    0.075
  ],
  "pivot_axis": "local +Y",
  "glb_up_axis": "Y (root transform converts modelling Z-up to glTF Y-up)",
  "contacts": {
    "fixed": [
      -0.043,
      0,
      0.0676
    ],
    "moving_rest": [
      -0.043,
      0,
      0.0697
    ],
    "note": "Electrical closure determined by interactive angular deflection and adjustable contact gap"
  },
  "parts": 311,
  "triangles": 62262
}