Some pictures for those wondering how the set-up looks.
https://www.flickr.com/photos/advance-design_parts_co/8129417263/in/album-72157631868452754/
There are several, an install on a 1954 2-ton I parted some years back. There are also pictures of an accessory NOS kit of 1953 vintage.
The 1948 delivery install.
https://www.flickr.com/photos/advance-design_parts_co/8666488508/in/album-72157633290718528/