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Brass & red acrylic tripod desk lamp conical rods and 2 acrylic parts 1950s 1960s MCM

Brass & acrylic tripod desk lamp used as a prop in Borgman 2013 film

Brass & Acrylic Tripod Desk Lamp

Materials: 3 conical ball-ending brass rods base. Brass knee joint. Adjustable white acrylic shell-shaped elongated lampshade. Small brass plate with two screws on top. White half round acrylic socket decoration. Brass E14 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. 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 – attributed.

Other versions: This brass & white acrylic tripod desk lamp was at least also made with a mother-of-pearl shine on the white acrylic. Made in black, red and beige/vanilla coloured acrylic. The lampshade was also used for a single and double wall and desk lamp with a round base and two rods, often in red and white.

This tripod desk lamp was also made with a different base. It has two flat black painted rods and a curved rod to the identical lampshade.

Often attributed to Italian companies such as Stilnovo and also to the German company WKR Leuchten (Werkstätten für kunsthandwerkliche Raumleuchten, Bronzewarenfabrik (Workshops for artisan room lights, bronze goods factory).


The Gebrüder Cosack (Gecoscompany was founded in 1833 as a metal processing plant in Neheim-HüstenGermany by Egon, Friedrich and Theodor Cosack together with Gottliebe Tappe. It was named Metallwarenfabrik Tapp + Cosack. In the beginning they made liturgical items, crosses and upholstery nails made of brass and they also produced kerosene lamps. Later the company came to the production of electric lamps.

In 1921 a cardboard factory was started, originally for packaging the Cosack Group‘s own products, including lights, nails, rivets and kitchen appliances.

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.

The cardboard factory still exists. The sixth generation is now running the business at the Cosack plant.

Best known designers: Gottfried Stürzenhofecker, K. H. Kinsky, Hans Wilfried Hegger, Hans-Joachim Groth, Burkhard Panteleit, Joachim O. Becker, Prof. Friedrich Becker, Waldemar Rothe and Jan Armgardt. 

Gebrüder Cosack (Gecos) received 15 iF Design Awards

Acrylic: often named by its commercial name: Perspex, Plexiglas, Crylux, Acrylite, Lucite, is a thermoplastic.