A Comedy of Masks by Ernest Christopher Dowson and Arthur Moore

In that intricate and obscure locality, which stretches between the Tower and Poplar, a tarry region, scarcely suspected by the majority of Londoners, to whom the "Port of London" is an expression purely geographical, there is, or was not many years ago, to be found a certain dry dock called Blackpool, but better known from time immemorial to skippers and longshoremen, and all who go down to the sea in ships, as "Rainham's Dock."