Original Factory Machinists Engineers Evertaut Stool.
 
In original condition with original circular dark stained ply seat. Pressed steel construction. Age related marks, worn patina commensurate with age. Fixed seat height. No makers label remaining.  
 
Mid Century.
 
Dimensions (approximate) :
Height : 65 CM
Seat Diameter : 30 CM
Base Width : 37 CM