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Rotary valves question (Read 4404 times)

RotaryLuke Sitting In Offline Trumpets, trombones and tubas . . . oh my! Posts: 4 Joined: Jan 17^th, 2021	Rotary valves question Jan 19^th, 2021 at 10:35am	Print Post
	Hi, I am looking for infos about the maker of these valves. My opinion ranges from very old to just last century crap. What's your opinion? Thanks.


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kenton YaBB Administrator Offline Posts: 4689 Location: Punxsutawney, Pa Joined: Jan 6^th, 2005 Gender:	Re: Rotary valves question Reply #1 - Jan 19^th, 2021 at 1:49pm	Print Post
	Let's try to clarify your question. Are you asking for the identity of the maker? The quality of the maker? The quality of that style of valve? The quality of that particular set of valves?


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RotaryLuke Sitting In Offline Trumpets, trombones and tubas . . . oh my! Posts: 4 Joined: Jan 17^th, 2021	Re: Rotary valves question Reply #2 - Jan 19^th, 2021 at 3:14pm	Print Post
	kenton wrote on Jan 19^th, 2021 at 1:49pm: Let's try to clarify your question. Are you asking for the identity of the maker? The quality of the maker? The quality of that style of valve? The quality of that particular set of valves? You are correct, Kenton. I apologize for being not clear at all. I came across this instrument, no marks on it, but I was a bit attracted by the rotary valves. In some way the entire valves look quite old, way older than a XX century instrument. But maybe I am wrong. So I am asking if someone has some knowledge about who can be the maker. Thanks.


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kenton YaBB Administrator Offline Posts: 4689 Location: Punxsutawney, Pa Joined: Jan 6^th, 2005 Gender:	Re: Rotary valves question Reply #3 - Jan 20^th, 2021 at 4:53am	Print Post
	Maybe seeing what instrument they are on, it might be some clues as to the age and nature of the horn. Also, another angle on the valve assembly. In looking at the picture, I can't quite figure out how they operate. They look like they would bind when pressed, and I'm sure that is not really the case.


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RotaryLuke Sitting In Offline Trumpets, trombones and tubas . . . oh my! Posts: 4 Joined: Jan 17^th, 2021	Re: Rotary valves question Reply #4 - Jan 21^st, 2021 at 7:12am	Print Post
	Sure, shortly I will add more detailed pics.


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gsmonks Senior Contributor repair Offline Retired! Posts: 372 Location: Spalding, Saskatchewan, Canada Joined: Jan 7^th, 2005 Gender:	Re: Rotary valves question Reply #5 - Sep 9^th, 2021 at 3:43am	Print Post
	That looks like an early example of the type of mechanism that later replaced clocksprings. Clockspring valves were around until the 70's, but this type of mechanism predates that by a lot. You might want to show this to Arnold Myers at the University of Edinburgh. He's the curator or the musical instrument museum. This might interest him. a.myers@ed.ac.uk

	. . . and the meek shall inhibit the mirth . . . GSMonks, 14:12
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