B. P. Protector [ex-Zurmand] (1938)
Scale 1:48. A plan showing the profile of the B. P. Protector [ex-Zurmand] (1938), a steam tug. The drawing is overlaid with four draught marks demonstrating the potential effects of flooding on the vessel's trim. The plan is stamped 'Scott & Sons (Bowling) Ltd.' and is dated 13 March 1961.