Open Access
Table 1
Legend of colour codes relating to different degrees of hypothesis (related to geometrical measurements).
| Degree of hypothesis | Description | Colour code |
|---|---|---|
| 0 | Measurement taken from existing historic plans and confirmed by measurements on site |  |
| 1 | Measurement taken from existing historic plans and drawings: several sources confirmed each other |  |
| 2 | Measurement taken from existing historic plans and drawings: several sources contradicted each other/there is only one source available |  |
| 3 | Dimensions estimated by using first-hand photo material |  |
| 4 | By analogy |  |
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