Articulated arm scissor wall light

'Scissor' joint arm, the joint is in good condition, the lampshade is stained in several places, it should ideally be changed. Height of the part to be applied to the wall approximately 35 cm depth of the joint folded without lampshade -shade approximately 16 cm, with the lampshade approximately 36 cm. Joint length fully extended approximately 80 cm without lampshade and approximately 92 cm with lampshade The arm can be extended, but it is also. rotatable relative to the base which is fixed in the wall.