Plans showing future line of upper and entrance lightsand proposed Groyne of Blyth Harbour, Blyth Northumberland

1. Plan showing future and present line of upper and entrance lights and proposed Groyne. Annotation 20 Feb. 1907. Listing of Harbour Dues. On reverse 1/68. J. Watt Sanderman & Son. 2. Plan to accompany application by Blyth Harbour Commission to the Board of Trade to sanction the construction of a timber Groyne on foreshore to South of Harbour. Annotated. Scale 1 inch = 20 ft. On reverse 68. J. Watt Sanderman & Son 8 Jun. 1907. On both Board of Trade Stamp dated 2 Feb. 1907 and Board of Trade Seal. No. H1433