A friend of mine (I think

) gave me an old antique Binks 62 conventional siphon gun with a 68PB tip on it. I tried to find out what the tip size is from Google and all but all I could find was
here and it says type of materials to be spayed as heavy (cream like) #4 Ford cup. It looks like the tip size is fairly large. Is the thing worth cleaning up and using as a primer gun or should I just stick it on the wall for decoration?
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ChevyReb
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