The Table that Dusty gave the measurements is for the "T" Slot found in the Mark V with the larger table systems of the Models 510, 505 (a 510 without the floating tables), 520 and the new Mark 7. The Mark 5 and Mark V with the original, now designated 500, Table uses the same width and thickness Miter Bar but without the "T" slot.
You mention the Magna Table Saw in your last post. Are you referring to the Magna Line 710 Table Saw shown in the picture below?
I an not positive but I believe it uses the same Miter as the Mark 5 as both were being made at the same time in the 1950's.
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