Modernist lamp

Beautiful modernist lamp from the 40s/50s, made of metal and brass. It is with 3 small blinds, the middle one is in less good condition (see photos). There was originally a switch (hole in the base see photo). The shell casings are bayonet. Height with lampshades: 37 cm and 44 cm wide without blinds: 24 cm high and 35 cm margin the base is 20 cm by 13 cm