http://www.flightglobal.com/pdfarchive/view/1910/1910%20-%200910.html Dunstall Park] Flight 5 November 1910, p.908] It was built in Oldbury by Accles & Pollock, a company who specialised in the manufacture of steel tubing, and its structure made extensive use of intersecting pairs of steel hoops: over 2000 feet of steel was used in its construction Lewis 1962 p.432 The aircraft had two sets of biplane wings, the front pair of greater span than the aft pair.