Analysis of frames by year of installation
Plotting chart of the 4 frames which were made by James E Groves. See full list or download the data as CSV (CC BY-SA 4.0).
| Minimum: | 1924 |
|---|---|
| Maximum: | c1928 |
| Mean: | 1927 |
| Standard deviation: | 2 years |
Plotting chart of the 4 frames which were made by James E Groves. See full list or download the data as CSV (CC BY-SA 4.0).
| Minimum: | 1924 |
|---|---|
| Maximum: | c1928 |
| Mean: | 1927 |
| Standard deviation: | 2 years |