Arizona State University
Arizona State University: Why Was the Valve Invented?
Dr. Ericson holds firm to his beliefs that the valve was not invented as "a mere crook changing device." Dr. Ericson embraces the idea that the "co-inventors of the valve clearly intended to perfect the brass instruments by making them...
Curated OER
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Dr. Ericson holds firm to his beliefs that the valve was not invented as "a mere crook changing device." Dr. Ericson embraces the idea that the "co-inventors of the valve clearly intended to perfect the brass instruments by making them...