Vehicle type Bison Mobile Pillbox, based on a 1915 Leyland lorry chassis Current location Lincolnshire Aviation Heritage Centre, East Kirby, Lincolnshire, UK Condition Poor. Only the rear 'pillbox' remains, in a quite degraded condition. History Links <http://tanksww2f.chollie.co.uk/files/Lincolnshire/P7170459.JPG> <http://tanksww2f.chollie.co.uk/files/Lincolnshire/P7170459.JPG> <http://tanksww2f.chollie.co.uk/files/Lincolnshire/P7170459.JPG> All taken in July 2007 <http://mailer.fsu.edu/~akirk/tanks/GreatBritain/GB-bison1-StevenGuy.jpg> An original photo (taken from http://mailer.fsu.edu/~akirk/tanks/ )