Painted steel, painted tubular steel, chromium-plated tubular steel, chromium-plated brass, painted aluminium, acrylic.

1970s

Each clamp lamp: 37 cm (14 5/8 in.) high
Standard lamp: 157.5 cm (62 in.) high fully extended
Desk lamp: 43 cm (16 7/8 in.) high

Manufactured by Stilnovo, Milan, and Forma & Funzione, Varese, Italy. Each 'Triedro' base impressed STILNOVO/MILANO-ITALY; 'Topo' underside embossed STILNOVO-ITALY and each joint twice with STILNOVO; 'Elmo' with manufacturer's label printed made in Italy/FORMA e FUNZIONE/Varese/Designer JOE COLOMBO/220 volt 100 watt.