Analysis of information sources in references of the Wikipedia article "Walter Wellman" in English language version.
enlarged again to 9760 cubic metres volume, giving a lifting capacity of 12 tonnes ... launched on 15 October 1910 ... crew of six, including Wellman and Vaniman and a stowaway cat
enlarged again to 9760 cubic metres volume, giving a lifting capacity of 12 tonnes ... launched on 15 October 1910 ... crew of six, including Wellman and Vaniman and a stowaway cat