The SS Beaver was a prominent early side-wheel trading ship on the NW Coast. Nice to see it memorialized by Haida argillite pipe in the Marischal Museum collection of the University of Aberdeen, along with some other exceptional Haida pipes. Apparently donated to the museum by the former Captain of the SS Beaver, William Mitchell, this pipe sports a rotating side wheel carved from whale bone, a beaver figurehead, and someone peeking out of the cabin windows, perhaps Capt. Mitchell himself who probably commissioned this carving. Some other close ups (in an awkward zoomable interface) are available on the Scots and Aboriginal People in the Fur Trade site. More on the SS Beaver here.