Jump to navigation Jump to search
- Alternative form of .
- 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 159:
- This bull's-eye first appeared on District stations from 1908, and Frank Pick would oversee its refinement during the First World War. For him, the bull's eye was too blob-like. It did not 'hold the eye'.