Submarine (H.M.S.) B7 (1906) Proposed cutting down of Bridge in Red re C.O.'s letter 3.2.16.
Scale 1:24 tracing drawing giving an Elevation and Plan showing the Commanding Officer's proposal for reducing the after part of the Bridge in height. Marked in red "Not Approved".
NPN0839 - NPN0844. Box ADFB0016.
NPN0839 - NPN0844. Box ADFB0016.