Oil lamp. Brass casting. Six holders, with six arms above them. Three attachable sections: adjustable hanging chain, body of the lamp, drip pan.
A similar lamp is depicted in Jewish Tradition in Art: the Feuchtwanger Collection of Judaica by Isaiah Shachar, p. 208, #206.
Maximal length: [when the ratchet is fully opened]: 128 cm.
Stains, corrosion. Fine condition.