OutdoorKing Repair Forum Forums Finding and Swapping For Sale eBay Old Rotary: Another Unkown?

Yep

they have the distinctive rings on the rear ones.
I wonder what the large holes in the base front were for?

In any case, best of luck to members who may be bidding for this one.
I hope it goes to a loving collector - ODK member preferred

All very interesting.
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JACK