HMS Severn
According to this document, as well as several others, the Severn was an HBC vessel that was used to transmit supplies for the Fisgard lighthouse between London and the Vancouver Island colony.
Mentions of this vessel in the documents
The Colonial Despatches Team. HMS Severn. The Colonial Despatches of Vancouver Island and British Columbia 1846-1871, Edition 2.2, ed. The Colonial Despatches Team. Victoria, B.C.: University of Victoria. https://bcgenesis.uvic.ca/severn.html.

Last modified: 2020-12-02 13:40:34 -0800 (Wed, 02 Dec 2020) (SVN revision: 5008)