What does this number measure?
The horizontal measurement of the deck is distinct from the pylons' height. Displayed dimension: deck length.
Compare the stated dimensions
The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.
Source and limitations
Catalogue value to check against the source; not individually audited.
Detailed interpreted illustration. It is not a photograph, an architectural survey or an exact scientific reconstruction.
Opening: 2004. Proposed historical date; an existing documentary source is linked but was not consulted for this date in this session. Do not interpret this reference as the manufacturing date of the illustrated specimen.