I'm sorry Unca Joel, that was a good effort but you didn't look at page 80.11.
The apologies should go to MC Escher.

Ed

On Fri, 11 Aug 2006 22:20:26 -0500, joel walker <jwalker17@EARTHLINK.NET> wrote:

>> Just to spice things up a bit on a dull Friday:
>>
>> Can anyone fully explain the ventilation duct diagram on page 80.11
>> of the
>> Vanagon Bentley manual?
>
>with apologies to Tommy Dorsey ... ;)
>
>THE AIR GOES ROUND AND ROUND
>
>Slide the top knob right
>The air goes 'round and 'round
>Whoa-ho-ho-oh, ho-ho
>And it comes out hereSlide the last knob left
>The air goes down and 'round
>Whoa-ho-ho-oh, ho-ho
>And it comes out hereSlide the third knob left
>The air goes down around below
>Below, below, deedle-dee-ho-ho
>Listen to the mice come outSlide the second knob right
>And the heat goes 'round and 'round
>Whoa-ho-ho-oh, ho-ho
>And it comes out here
>unca joel