Quote:
Originally Posted by Gippetto
Reminds me of the sand dispencer systems they used to have on the trackless trolleys when I was a kid in the Boston area. That would be the valving part, the sand resevoirs were maybe 100 pounds worth and were up top somewhere. One on each side.
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this would be my guess too, road gritter for the rear tires, larger trucks of the same era used a gravity system just like this, I cant find the pictures but I remember them from an accessory catalog.