{
  "slug": "why-the-40-hour-week-became-standard",
  "version": 1,
  "layout": "timeline",
  "nodes": [
    {
      "id": "n1",
      "type": "clock",
      "label": "12-hr Day",
      "x": 207,
      "y": 44,
      "w": 160,
      "h": 160,
      "detail": "pre-1914"
    },
    {
      "id": "n2",
      "type": "calendar",
      "label": "5-Day Week",
      "x": 157,
      "y": 248,
      "w": 80,
      "h": 80,
      "detail": "Ford 1914 test"
    },
    {
      "id": "n3",
      "type": "document",
      "label": "Labour Law",
      "x": 265,
      "y": 248,
      "w": 80,
      "h": 80,
      "detail": "enacted"
    },
    {
      "id": "n4",
      "type": "clock",
      "label": "40-hr Week",
      "x": 373,
      "y": 248,
      "w": 80,
      "h": 80
    }
  ],
  "relationships": [
    {
      "from": "n1",
      "to": "n2",
      "label": "shortened to"
    },
    {
      "from": "n2",
      "to": "n3",
      "label": "codified by"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "produced"
    }
  ],
  "summary": "Henry Ford's 5-day factory test showed output held; labour law eventually codified 40 hours as standard.",
  "mechanism": "productivity-trial-to-legal-standard",
  "fig": "FIG. / WHY WORKING TIME BECAME A NEGOTIATED NUMBER",
  "animation": {
    "style": "reveal",
    "duration": 700,
    "stagger": 60
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  "presentation": {
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    "hero": "n1",
    "support": [
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      "n3"
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    "icon": "clock",
    "label": "12-hr Day",
    "tilt": 0
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  "illustration": {
    "concept": "Weekly time grid five days by ten rows; first 40 hours filled solid; thick boundary line at hour 40; overtime rows below boundary are empty outlines",
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