This slideshow shows how to mount two decks on a T-10 Turntable.
The T-10 can be used in many cases with no deck or with just one deck
T-10 Turntable Slideshow Supplies:
8) 3/8 #6 Panhead sheet metal screws
Screwdriver that fits the screws (see blog)
Drill with 5/8" or larger drill bit
Ruler, pencil
2) decks 1/2 or 3/8 thick, over
12" x 12" (these are about 13 x 20)