I occasionally look at eBay listings and I found this one. When I saw the pictures of the "restoration", I winced and did a facepalm! https://www.ebay.com/itm/154786016556 https://i.ebayimg.com/images/g/8OUAAOSw5YhgkoWC/s-l1600.jpg Contact cement for tracker and pedal pneumatics? Sacrilege! Ed Chaban