A half plate sheet film negative. On board the Type 12 frigate Yarmouth (1959) alongside the south-east corner of the fitting out basin in John Brown & Co Ltd's shipyard at Clydebank. In the electronic maintenance room on 1 deck between 39 and 41½ stations looking aft and to port from near the doorway, showing a large test and repair bench. The storage drawers and cupboards under the bench are all labelled with their contents.