1950s Perforated Bedside Lamp
Materials: Brass round base and brass curved rod. Mint green coloured wrinkle painted aluminium lampshade. White painted on the inside. Many diamond/square perforated holes. Brass/gold coloured aluminium socket holder on top of the lampshade. Iron counterweight in the bottom of the base. Bakelite socket.
Height: 17,5 cm / 6.88”
Width: 16 cm / 6.29”
Base: ∅ 9 cm / 3.54”
Electricity: 1 bulbs E14, 1 x 40 watt maximum, 110/220 volt.
Any type of light bulb can be used, not a specific one preferred.
Period: 1950s, 1960s – Mid-Century Modern.
Designer: To be appraised.
Manufacturer: Gebrüder Cosack, Neheim-Hüsten, Germany.
The Gebrüder Cosack (Gecos) company was founded in 1848 as a metal processing plant in Neheim-Hüsten, Germany by Egon, Friedrich and Theodor Cosack. In the beginning they made liturgical items and crosses made of brass and they also produced kerosene lamps. Later the company came to the production of electric lamps. Cosack is the oldest Neheim lamp factory.
After the Second World War Cosack pursued a modern direction. A best seller were copper lighting for restaurants. The company was declared bankrupt in 1984.
Best known designers: Ursula Stürzenhofecker, K. H. Kinsky.
Many other lighting producers made similar lamps, as you can see below. Heiru Leuchten from Austria also produced some lamps with a diamond/square perforation.