Ancient staircase

Helicopter staircase has vis High era Xv- 16th century 9 massive steps (including 2 walnut) , adjusting by tenon-mortaise on the central was in oak the outer end being sealed in the wall length of steps between 1m and 1.2m, gap between steps: 20cm thickness of the steps, cut at the herminette: Some steps are to be restored

Ref. : 9TF6KT3R