Thanks "NM". No biggie on the pics. (need help? ask, or even e-mail me, but I think maybe that's been offered before; correct?)
It is likely a "slip collar". Good fittings you simply push a tube into. Press a collar for release. Still speculation on my part, but the tubing type was that cats main curiosity anyhow.
Got my fingers crossed for all parties here 
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The smoke fluid pump is an accessory I dreamed about 50 years ago 
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The follow up concern shown, reflects a pertain pride that's very refreshing.
Seeing them made was as cool as knowing Lionel made a Jawn Henry 
I bet they are still opening all the letters sent in the 60's and 70's, by Gramps with Jawn requests at the core.
Relax Ernie, I wont be over filling your inbox. You guys already did the vanishing coal loads too 
...Hey, is this house bugged or sumptin' 
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