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I have have a vintage1960 National Vending 21ce snack machine that works great but I am having trouble pricing items.
It has 10 trays and 21 sections but only 8 dip switches for pricing. If I change the dip switches it changes the prices on the items in a very random order. I believe I have to change a few wires around but I am not sure.
Is anyone familiar with this machine or know where I might find a manual for it?
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