[sternwheeler] The BX sternwheeler was the first of two river steamers built for service on the upper Fraser River by the BC Express Company during the busy era of Grand Trunk Pacific Railway construction. The BX was built at Soda Creek in early 1910 by Alexander Watson Jr, of Victoria, who was one of British Columbia`s foremost shipbuilder... Found on http://en.wikipedia.org/wiki/BX_(sternwheeler)
ARMORED CABLE - A factory assembly of insulated conductors inside a flexible metallic covering. It can be run except where exposed to excessive moisture and should not be run below grade. It must always be grounded and uses its armor as an equipment ground. It is difficult to pull out old wires or insert new ones. Found on http://www.encyclo.co.uk/local/21074