W. W. and R. Johnson
of Limehouse, London, lead merchants
1793 The firm of W. W. and R. Johnson was formed.
1862 W. W. and R. Johnson and Sons exhibited at the London Exhibition
1892 W. W. and R. Johnson and Sons was registered on 18 January, to acquire the business of white-lead makers, lead rollers and metal merchants of the firm of the same name.