Crookes & Slater, spring-knife manufacturer, was listed in 1856 in Eyre Street. The partners were Henry Crookes, John Crookes, and John Slater (born c. 1826). Henry and John Crookes were brothers, living in 1851 with their father, John, in Rockingham Street (all spring-knife cutlers). Crookes & Slater continued into the early 1860s, making pen, pocket, and sportsman’s knives and Bowies in Eyre Street. In 1865, Crookes Brothers was listed at 107 Eyre Street – the address of Butler&r....