Contacting Colt and getting a letter would be a good start.
I believe Henry Gunckel was a trade name, not an actual manufacturer of instruments.
It's an antique North & Judd. Google it, you'll find lots of info...
I have one in my yard sale now.Trying to get info. on it
It will depend upon whether it is a simple (Albert) system or Boehm and the condition.
There are ford dealers with antiqated info.Thats where I got info on my 1945 Ford Pickup
So I can be your hero, I will answer this question. You can fond new clarinets at a car repair shop! Seriously! NOT!!!!!!!!!!!!!!!! Most music shops/websites stock both new and used clarinets...
you can go visit your local hardware store or ask one of their employees they should know they could also direct you to a local antique shop that might have one sooo theirs your answer yayy
antique shops and charity shops!
usually near the trumpets and alto saxaphones
You can find antique pictures of that on the the wikipedia page or google images.
One may find more information about antique golf via the appropriately named website "Antique Golf". One may also find information on "Antique Golf Scotland" and "Golf Museum".