Chain cables and anchors. Copies of all correspondence between the Board of Trade and the Secretary of Lloyd's Registry of British and Foreign Shipping relating to their establishment for proving chain cables and anchors at Poplar, and to other establishments for the same purpose, under their control or management; of any correspondence between the Board of Trade and the engineers called in to report upon the subject of the Poplar proving machine; and, statement showing the name of each proving establishment licensed under the Chain Cables and Anchors Act; &c [electronic resource].