Johan Petter Johansson, a 'Triplex-pendel' lamp, Sweden, first half of/mid20th century.
Made of lacquered and chrome-plated steel. Adjustable and extendable arm. Marked Triplex Pendel Patent Made in Sweden. 174-259 cm.
Function is not tested. Later repaint. The telescopic arm partially stuck. The movable parts at the lampshade are very stiff.