Collection search - (Copy) Plate 2. Plan of the ground and upper floors of a Square Tower, on the principles of Lt. Colonel W.R. Wright's R.E. improved Wellington Pentagonal Tower, calculated to contain bomb-proof cover for 200 men, and officers in proportion, with the requisite stores of every description for, proposed as a present defence for the Naval Establishment at Penetanguishene, and to for the Keep of a Square Bastioned Enceinte, to be hereafter constructed there. [architectural drawing]

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