So.... its in the guidebook. And you saw the slings/biner/tat? But you still asked how to get down? Simey's fault for not making the font big enough?
Edit. Not trying to be a smart arse (really). But I really think that so many of the older established climbs are described well enough. If its an older route then 99% of the time either (1) its in the older guides, which say if the descent is funky, or (2) there's reasonable way off. If people still aren't sure then they leave a sling or prussic to rap off?