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Description archivistique
Pièce · September 29, 1959
Plans for the Spur Pinion in the hoisting mechanism of the Annapolis River Causeway. Includes diagrams, measurements, and specifications. By General Engineering Division of Davies Shipbuilding Limited. Drawn by R. Bernard. Drawing number: 1537-E-21. Belonged to George Frail, chief engineer of the Annapolis River Causeway. 018.314