Canadian Historic Sites: Occasional Papers in Archaeology and History No. 15

A History of Martello Towers in the Defence of British North America, 1796-1871

by Ivan J. Saunders

Appendix J. Tower No. 3, Quebec City

Built: 1808-10
Armed: 1810
Disarmed: top, 1862; interior, after 1869
Demolished: ca. 1900
Facing material: sandstone ashlar masonry
Diameter: 56 ft.
Height: 33 ft.
Wall thickness: 6 ft. to 11 ft.
Parapet height: approximately 4 ft. to 6 ft.
Storeys: two
Purpose: to defend the main Quebec works against an attack across the Plains of Abraham. To serve as a keep to a line of emergency field works.

38 Tower No. 3, Quebec, view, section and floor plans, 1823. (Public Archives of Canada.)