Something to go with your VV-2-55...

[OrthoFan]

I downloaded this today using Google's patent search --

VV-2-55 Patent -- US1954162.pdf

(1.53 MiB) Downloaded 93 times

[Inigo]

What a beauty, thanks.

[Dischoard]

That is great, easily my favorite portable. How did you find that?

[OrthoFan]

That is great, easily my favorite portable. How did you find that?

I was actually searching for some information about Columbia Viva-Tonal horns and I typed in a number of keywords in the search box on the Google patents page -- https://patents.google.com/ .

At this point, unfortunately, I no longer remember the exact search words I typed.

[tomb]

That is very interesting Thanks for sharing this. I have a couple of those models too.