Polaroid 600-type long exposures

Title says it all ;) A short tutorial on how to modify a Polaroid 600 instant camera to take long exposures (seconds to hours). Please excuse amateur editing and awkward pronunciation Best multiple-exposure-tutorial:    • DOUBLE EXPOSURE with POLAROID cameras   Original Idea: cameras-hackmylife.blogspot.com/2010/03/long-exposure-polaroid-600-no-assembly.html Polaroid 600 teardown-manual: www.ifixit.com/Teardown/Polaroid+One-Step+600+Teardown/2151