http://www.appropedia.org/3rd_world_arm_lamp_advantages
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Worldlamp Arm Magnifier
lamp design with the best weight to arm length ratio. and best arm flexibility.
http://www.appropedia.org/3rd_world_arm_lamp_advantages
Lamps with povoting arm in a vertical plane
Articulated desk lamps are somewhat complex mechanical objects that require an industrial context to produce, given the usual components of factory made metal parts, springs, screws, and cast plastic elements. I wanted to design a version of a desk lamp that could be produced in completely non-industrial contexts, with only naturally available materials and resources–excluding the light bulb and wiring itself, sadly.
Table stand