Anyone know if you can put a 3 1/4 x 4 1/4 bag mag on a 3 1/4 x 4 1/4 Speed Graphic? I know that it fits rather obviously on my 3 1/4 RB Graflex SLR, but did any of the Speed Graphics ever have the same pre-Graflok back with the slots/locking tabs that the RBs have?
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