It also works with HV halogen and NV halogen with magnetic transformer

tidigt 1800-tal

If that's the case

Material: Unlacquered brass

Time period: 1920 – 1935

Gripenberg (Nickel/Vit sladd) - Inkl. väggfäste Tillflager It also works with HVThe Gripenberg is a bedside wall light that tilts up down and sideways. This classic model has been around since the early 1900s. In addition to a glass shade, the lamp holder can be fitted with a fabric or brass shade. Depth: 230 mm (9. 06 in.) to the center of the bulb. Height: 170 mm (6. 69 in.) Shade mount: 60 mm (2. 36 in.) flange mount Light source: Ceramic E27 socket (20W) Concealed plate for installation with wall switch is included. This