Anniversary Address. 9 



can only venture to give an outline, which may be filled up 

 by some future President, when these great works are com- 

 pleted. The architect is Anthony Salvin, Esq., of London, 

 who has gained his celebrity by his own talents, cleverness, 

 and correct taste. 



I am enabled to give a ground plan of the Castle as it 

 existed in 1650, during the time of Algernon the 10th Earl 

 of Northumberland ; also, a ground plan of the improvements 

 now in the course of completion, by Algernon, the present and 

 4th Duke. 



Ground Plan in 1650. 



1. Corner Tower. 2. Garret. 3. Stables. # Porter's 

 Lodge. 4. Exchequer. 5. Garret. 6. Abbott's Tower. 

 7. Garret. 8. Outer Ward or Ballivm. * Auditor's Tower. 

 9. Middle Gateway. 10. Inner Ward of Keep or Dungeon. 

 11. Garret. 12. Entrance. 13. Postern Tower and Sally 

 Port. 14. Garden Tower. 15. Middle Ward. 16. Chapel. 

 17. Conduit. 18. Constable Tower. 19. Garret. 20. Ravine. 

 Tower. 21. Corner Tower. 22. Stream from the Moors. 

 23, Moat. 24. Draw Bridge. 25. Entrance. 



