The lamp can be used in 2 ways with the push button: - only the top lamp is on - both lamps are on. height: 23 cm. width: 17 cm. depth: 21 cm. ø shade top: 17 cm. ø shade bottom: 7 cm. the lamp is equipped with 2 small bulb holders (e14). the top shade has small dents (see detailed photos). origin: the netherlands, 1960s. material: aluminium. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution, european plug (up to 250v).the wiring of this item may be original and might need replacement, if not specified otherwise.