{
  "representation": "schematic; no dimensions",
  "tube_passes": 2,
  "shell_passes": 1,
  "tube_route": [
    "upper channel compartment",
    "outward tube group",
    "floating-head return",
    "return tube group",
    "lower channel compartment"
  ],
  "shell_route": [
    "shell inlet",
    "successive transverse-baffle windows outside tubes",
    "shell outlet"
  ],
  "components": {
    "channel_pass_partition": "tube-side compartment separation",
    "transverse_baffles": "shell-side cross-bundle routing",
    "stationary_tubesheet": "front separation",
    "floating_tubesheet": "rear separation",
    "outer_shell_cover": "outer enclosure of separate tube-side rear head"
  },
  "source_terminology_resolution": "horizontal baffle in historical sketch is described as channel pass partition"
}