Did some of the early Wayne 515's, 519's, etc have slightly different dome tops than the later 515, 519 and 615's. Took the tops off of my 519 & 615 tonight and 519 top weighs over twice as much, is slightly shorter, and slightly more concave. I would post pictures but dont think it would do it justice. I wondered if my 519 had the wrong top, was homemade, or was just slightly different than later models.

Thanks
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Jason Howard