The Wallis & Son Land Rover showroom in Barton, an established family business founded back in 1937 by Geoffrey Wallis and his dad Percy Wallis, is to open a new pet supplies shop on its premises. Percy Wallis was the great-grandfather of Wallis & Son’s present managing director, Elliot Wallis, who also runs Wallis Defenders, which specialises in Land Rover Defenders – including the limited edition Wallis Defender GYRO. Elliot, the second cousin of the late Ken Wallis, the famed inventor, aviator and engineer who designed, built and flew the Little Nellie autogyro as a stand-in for Sean Conner…