For the most part the observations were made with a velocity of
; in a certain number the velocity was
, and in others
. The magnitudes observed have been all reduced to the maximum velocity
, and referred to the breadth of a band as unity.
| Displacements of the bands for a mean velocity of water equal to 7.059 metres per second. | Differences between the observed displacements and their mean value. | |
|---|---|---|
| 0.200 | -0.030 | |
| 0.220 | -0.010 | |
| 0.240 | +0.010 | |
| 0.167 | -0.063 | |
| 0.171 | -0.059 | |
| 0.225 | -0.005 | |
| 0.247 | +0.017 | |
| 0.225 | -0.005 | |
| 0.214 | -0.016 | |
| 0.230 | 0.000 | |
| 0.224 | -0.006 | |
| 0.247 | +0.017 | |
| 0.224 | -0.006 | |
| 0.307 | +0.077 | |
| 0.307 | +0.077 | |
| 0.256 | +0.026 | |
| 0.240 | +0.010 | |
| 0.240 | +0.010 | |
| 0.189 | -0.041 | |
| Sum | 4.373 | |
| Mean | 0.23016 |