Here's Ray explaining this thing in his own words
 
   

Here's the slick and exotic Multi Carb Synchronizer Ray decided to bring in after Chris was singing the praises of his own "multi suck" measurer.

   

Here are the tubes that are strategically inserted into the multi-carbs to retrieve the desired suck.

 
 
 
 

The mercury at the bottom of the unit rises up the gage as the multi-carbs draw air through them.

Ray likes it when the mercury reaches this point...

   
    Chris only has thought of fear and doubt as Ray speaks of the dangers of sucking the available mercury through the carbs, and into the engine..
   
      This is not the way to draw the mercury out of the synchronizer.
Ray is a professional . . . please do not try this at home.
   
Ray had mentioned that his wife Linda wanted to know why his mouth always looks funny in all of these demonstration pics. . . .
   
 

Ray claims that it's because he's always talking . . . so he took a moment and decided to stop and smile.

   
  Chris knew Ray's demonstration was coming to a close when he couldn't stop staring at his own reflection in the carb synchronizer.