Waldmann  spot with still ball point  with rotating basefrom the  1960 in the style of Jielde , those are for industrial use with a glass protection .Stripping the old paint expose the patina of the steel and different metal , those metal are usually alloy steel superior in quality to the recycled metal used in mass produced duplicate and recent lamp. They are polished with warm variation of tone . 

Fully extended H .10 x D.5.5 rewired ready to plug 

Waldmann  spot with still ball point industrial light