The History of the Thayer Valve

Sources:
International Trombone Association Journal
- The Story of Ed Thayer and his Axial-Flow Valve
- The Axial Flow Valve Update
The Thayer Valve and It's Effect on a Generation and Beyond by David John Clovis II
thelasttrombone.com
- do good. help a widow
Aidan Ritchie
- The Thayer Problem
Check out Marcel's Instrument Shop from The Netherlands:
www.atelierpfeiffer.nl/
Become a Patreon: / thetrombonechannel
Buy my Merch: thetrombonestore.com
Join my Discord server: / discord
Follow my Instagram: / thetrombonechannel
Follow my Facebook Page: / thetrombonechannel
Follow my TikTok: vm.tiktok.com/ZMecAe3fm
Listen to my interviews on Spotify: spoti.fi/3bZacp5
Fair use is the doctrine that brief excerpts of copyrighted material can be used verbatim for purposes without the need for permission from or payment to the copyright holder.