Vintage Info – All About Vintage Lighting

Brass & Acrylic Tripod Desk Lamp

Materials: Brass, white acrylic. Brass knee joint. Brass and porcelain socket.

Height: 22 cm / 8.66”

Lampshade: 20 x 12 cm / 7.87 x 4.72”

Base: 15 x 12 cm / 5.90 x 4.72”

Electricity: 1 bulb E14, 1 x 40 watt maximum, 110/220 volt.
Any type of light bulb can be used, But a candelabra light bulb is preferred, the bulb is part of the design.

Period: 1950s, 1960s – Mid-Century Modern.

Designer: To be appraised.

Manufacturer: Gebrüder Cosack, Neheim-Hüsten, Germany.

Other versions: At least also made with a mother-of-pearl shine on the white acrylic and made in black, red and beige/vanilla coloured acrylic.


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: Wilhelm WagenfeldUrsula Stürzenhofecker, K. H. Kinsky.  


The socket of this desk lamp was made by BJB. BJB is Brökelmann, Jäger and Busse, BJB GmbH & Co. KG. The BJB company was founded in 1867 and started with petroleum lighting. The company still exists. Today they produce LED lamps, terminal blocks and connectors, lamp holders for conventional lighting and switches. They are active in the whole world. BJB GmbH & Co. KG is located on Werler Strasse 1, 59755, ArnsbergGermany.


The switch was made by the VLM Components company from Buccinasco, near Milan in Italy. Today VLM Components is owned By Relco. It is one of the biggest suppliers of switches, cords and plugs in Europe. VLM Components became famous because of the switches they produce that were designed by Achille Castiglione in 1968.

Gebrüder Cosack Brass & Acrylic Tripod Desk Lamp