Not sure how a Polalite operated as cant find any history on them. The bottom shape is not the shape of a candle so must have operated on another principle.
Green's Arctic Candle Lamp shade Holder - parts / spares / repairs
9333002-D Pair 5-Arm Candle Holder Antique Brass 27X28Cm
Rare 19thC Regency Victorian Iron Work Hand Forged Plant Brazier Holder antique
Vintage Scissor Arm Phone Holder - Antique Metal - GDR / Industrial Design PhW
Curtain Holder Antique Fixing Nail Wall Anchor Old 7.5x180