Base type: E27. 1 x E27 Lamp holder as your choice. Portable E-27 screw-on bulb holder. They could assemble to a socket and cord for a hardwired lighting with an exposed bulb for an early 1908s era feel.
E14 Bulb Holder SES Edison Screw Lamp Base Socket Light White with Shade Ring
Zevnico E27 Lamp Holder, 6 Pcs E27 Bulb Holder, Gloss Black Vintage Socket Light Bulb Holder, Ceramic Rated 4A 250V, for DIY Pendant Lamp Ceiling Hanging Light Retro Edison Screw Bulb Holder Adaptor
Metal Bulb Holder Retro Industrial Vintage Light E27 Fitting Antique Edison UK
Vintage Bulb Holder Industrial Edison Lamp E27 Bulb Holder Retro Light Fitting
Vintage Industrial Lamp Light Bulb Holder Retro Edison E27 Fitting Pendant Light
Vintage Industrial Lamp Light Bulb Holder Retro Edison ES E27 Fitting