The SP5D Mk2 model comes fitted with a belt-driven dynamo and bulb holder.
2.
On the walls are a series lamp holders held by miniature Apollo lyres, with each bulb holder containing around 25 leaves opened out.
3.
Many tungsten ( pre-halogen ) European-code headlamps made in France by Cibi? Marchal, and Ducellier could be adjusted to produce either a left-or a right-traffic low beam by means of a two-position bulb holder.
4.
Porsche Design came up with several bathroom designs, a washing machine, furniture, knives, television receivers, desk lamps ( one with three telescoping radio antennas attaching the light bulb holder to the base and one employing design aspects of a guillotine in its pull-out mechanism ), tobacco pipes with air-cooled-engine-inspired cooling fins, pens made out of wire-cloth used in oil hoses for racing engines, computer monitors, computer external hard drives, coffee makers, and even a grand piano for an Austrian manufacturer B�sendorfer.
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