From their simultaneous observations, they were able to estimate the mammal's minimum length at more than 350 English feet; this was because both the Shannon and the Helvetia were of smaller dimensions, although each measured 100 meters stem to stern.
En esa observación simultánea se creyó poder evaluar la longitud mínima del mamífero en más de trescientos cincuenta pies ingleses, dado que el Shannon y el Helvetia eran de dimensiones inferiores, aun cuando ambos midieran cien metros del tajamar al codaste.