The New Type 7291 6,000 Watt Spacelite brings to the
Motion Picture Industry a more diversified lantern light. With
the addition of a 6 circuit socapex connector, this unit can be
powered and controlled with the existing socapex multi-cir-
cuit control system. There are 2 and 3 circuit adapters avail-
able or attach a socapex cable and have 6 circuits of con-
trol. This lantern light with the black and internal silk can
reflect a pool of light downward or just remove the outside
black skirt for a full lantern effect. Each globe set is
equipped with a safety screen.

Further information:
http://www.mole.com/rentals/catalog_sheets/7291.pdf