| Description | Correspondence between Cannon and Sybry, Searls & Co., Cannon Steel Works, Sheffield, about their use of the name 'Cannon' as a telegraph address. Correspondence between Cannon and Abram, Brooksbank & Co., Malinda Works, Sheffield, who used a 'Cannon Defiance' trademark, very similar to that of Cannon Iron Foundries Ltd. Various other correspondence from the Trade Mark Protection Society and other manufacturers about infringement of the 'Cannon' trademark. |