Flexible lamp reflector aluminum

Nice small flexible lamp, are feet is cast iron and covered by an aluminum cup, the reflector is aluminum and is adjustable by a small wheel, the diameter of the reflector is 14 cm. Some traces of wear and time perceptible. The electricity has been redone and works perfectly, the socket is bayonet b22. Dimension height 38 cm width of the base 13 cm. Circa 1930/40.