{
  "schema": "bounded-original-scale-nomograph/v1",
  "charts": {
    "pump": {
      "units": {
        "expansion": "in",
        "limit": "lbf",
        "diameter": "nominal in, standard weight only",
        "inertia": "in^4",
        "length": "ft"
      },
      "x": {
        "expansion": 590,
        "pivot": 1153,
        "limit": 1720,
        "length": 1958,
        "section": 2633
      },
      "ticks": {
        "expansion": [
          [
            0.2,
            1618
          ],
          [
            0.3,
            1480
          ],
          [
            0.4,
            1386
          ],
          [
            0.5,
            1313
          ],
          [
            0.6,
            1252
          ],
          [
            0.7,
            1200
          ],
          [
            0.8,
            1158
          ],
          [
            0.9,
            1118
          ],
          [
            1.0,
            1083
          ],
          [
            1.5,
            948
          ],
          [
            2.0,
            853
          ]
        ],
        "limit": [
          [
            1000,
            909
          ],
          [
            1200,
            979
          ],
          [
            1500,
            1044
          ],
          [
            2000,
            1140
          ],
          [
            2500,
            1212
          ],
          [
            3000,
            1285
          ]
        ],
        "length": [
          [
            10,
            1345
          ],
          [
            15,
            1255
          ],
          [
            20,
            1191
          ],
          [
            25,
            1141
          ],
          [
            30,
            1100
          ],
          [
            40,
            1037
          ],
          [
            50,
            986
          ]
        ],
        "diameter": [
          [
            10,
            1228
          ],
          [
            12,
            1155
          ],
          [
            14,
            1114
          ],
          [
            16,
            1060
          ],
          [
            18,
            1011
          ],
          [
            20,
            968
          ],
          [
            24,
            890
          ]
        ],
        "inertia": [
          [
            200,
            1197
          ],
          [
            300,
            1144
          ],
          [
            500,
            1077
          ],
          [
            700,
            1028
          ],
          [
            1000,
            983
          ],
          [
            2000,
            890
          ]
        ]
      },
      "source_domain": "expansion .2..2in,force1000..3000lbf; length10..50ft; standard weight nominal10..24in or inertia200..2000in^4. No extrapolation."
    },
    "vessel": {
      "units": {
        "expansion": "in",
        "limit": "psi",
        "diameter": "nominal in",
        "length": "ft"
      },
      "x": {
        "expansion": 770,
        "pivot": 1134,
        "length": 1623,
        "limit": 2198,
        "section": 2648
      },
      "ticks": {
        "expansion": [
          [
            0.1,
            1824
          ],
          [
            0.2,
            1668
          ],
          [
            0.3,
            1578
          ],
          [
            0.4,
            1512
          ],
          [
            0.5,
            1464
          ],
          [
            0.7,
            1389
          ],
          [
            1.0,
            1311
          ],
          [
            1.5,
            1219
          ],
          [
            2.0,
            1157
          ]
        ],
        "limit": [
          [
            10000,
            588
          ],
          [
            12000,
            709
          ],
          [
            14000,
            814
          ],
          [
            15000,
            850
          ],
          [
            16000,
            903
          ],
          [
            18000,
            978
          ],
          [
            20000,
            1050
          ]
        ],
        "length": [
          [
            10,
            1407
          ],
          [
            20,
            1252
          ],
          [
            30,
            1162
          ],
          [
            40,
            1099
          ],
          [
            50,
            1047
          ],
          [
            70,
            974
          ]
        ],
        "diameter": [
          [
            12,
            1187
          ],
          [
            14,
            1145
          ],
          [
            16,
            1102
          ],
          [
            18,
            1064
          ],
          [
            20,
            1030
          ],
          [
            24,
            977
          ],
          [
            30,
            904
          ],
          [
            36,
            845
          ]
        ]
      },
      "source_domain": "expansion .1..2in,stress10000..20000psi,nominal12..36in; length10..70ft. No extrapolation."
    }
  },
  "coordinate_basis": "Pump chart coordinate frame3299x2550; vessel chart coordinate frame3314x2569. Labelled tick centres define graphical calibration. Piecewise interpolation logarithmic in value between labelled ticks; chart coordinates linear for straightedges.",
  "limits": "Selected domains only; no exact underlying law fitted; no scale extrapolation; graph read band retained; source planning criteria not code/vendor allowables"
}