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Researching the Fortress of Louisbourg National Historic Site of Canada
  Recherche sur la Forteresse-de-Louisbourg Lieu historique national du Canada



By John Humphrey, 

October 15, 1964

(Fortress of Louisbourg Report Number H F 5)



The only positive evidence of the existence of a cordon on the seaward faces of the Royal Battery occurs in the initial "dévis" for the battery, drawn up in August 1723. This document mentions a quarter-round or cordon at the level of the lips of the embrazures, projecting six pouce from the revetment, and gives specifications for the quantity of "pierre de taille" needed for the construction of this cordon.[1] However, this evidence is of no concrete use, since the initial. "dévis" was evidently not followed in the actual construction of the battery.[2]

All other documentary evidence concerning the existence of a cordon at the Royal Battery is negative:

Perhaps conclusive evidence is provided by the extant plans of the battery. The first existing elevations of the Royal Battery (Figures 11 and 14) dated 1725 show closed embrazures but no cordon at the level of their lips. In all other elevations (Figures 15, 16 and 17, dated 1726; Figure 8 dated 1738; Figure 18 dated 1751), no cordon is shown, merely a line at the level of the lips of the embrazures indicating the change in slope between the revetment and the merlons.

In the light of this evidence it is probably safe to conclude that no cordon existed at the Royal Battery. The only part of the seawall structure resembling a cordon was the projecting forward tip of the tablettes which topped the merlons. (Figures 8, 14, 15, 16, and 18).



1. AC C11B V.6, ff.298-308v, De Verville, 8 August 1723.

2. See Section I of this Report, pp. 3-4.

3. AC C11B V.7 f.334, Verrier, 16 December 1725.

4. AC C11B V.11 ff.80-83, Verrier, 26 March 1730.

5. AC C11B V.18 ff.271-283, Verrier, 10 November 1736.

6. AFO DFC Am. Sept. Ordre No.202, Verrier, 30 October 1744.