1913—Berlin, Germany
Franz Mayerhoff writes his instrumentation text, Instrumentenlehre, in which he shows an alto trombone position chart for an instrument that is clearly in E-flat (see below image; public domain) (Mayerhoff 57).
Franz Mayerhoff writes his instrumentation text, Instrumentenlehre, in which he shows an alto trombone position chart for an instrument that is clearly in E-flat (see below image; public domain) (Mayerhoff 57).