Lazy Susan works very well, but you will need to do some work for it to function for the purpose. Here are some pictures of mine. I tend to over-think such things, but it requires a significant amount of time and effort. The problem with an old turntable is that you will still need to modify it significantly to rinse with. The platter will take on debris, moisture etc. etc. when you place the record that is still wet from the US tank on it so you will need a way to keep it clean and dry. I made a cover out of 5 mil plastic to put down first, then rinse and clean one side, remove the cover and then put the clean side down and do the other side. In this way, you keep the side you just cleaned clean. You'll still need a way to turn the platter for both rinsing and vacuuming, so something else to consider.
Later, I made what I have now, which is a system that only the label is used to attach the record with between two pucks. You can kind of get the idea from the pictures.....hope you can get something that will work for you.
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So, picture #8 above shows me using the paint-edger to spread the distilled water on the record but I had not yet put the water on it.....also, #9 shows me vacuuming the record but I had not actually put any water on it yet, just to demonstrate how I do that. Picture #6 shows the vacuum wand I made using a crevice tool and squaring it off, then blocking the end and adhesing two strips of shaved pad from the edger pads.
Like I said, it involves some work and I'm sure others may lighten the load for you some with their ideas on how to do this more simply. BTW, the 12" Lazy Susan I bought from Lowes, screwed it on to an old cutting board, then made a platter 10" diameter followed by two pucks the diameter of the label of a record. Put a carriage bolt through from the bottom and recessed it to the proper level so I had enough clearance for the record as well as the top puck, into which I recessed the nut that the bolt screws into to hold the record in place, followed by devising a handle that turns on a bearing that screws into the top puck so I can turn the record while applying distilled water and dispersing with the paint edger pad and also while vacuuming with the crevice tool. The black foam is glued to the top of the 10" platter and to the top of the first puck and bottom of the second puck, the one with the handle, so the record label is protected from water and scuffs. It is from Hobby Lobby and sold as 1/8" black foam in sheets that are 11 X 18" if I remember correctly.
Man, I don't do a very good job of explaining all of this but hopefully you get the idea and can cook one up or have someone do it for you.
