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From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[8 June 1856]
Source of text:
RS:HS 6.284
Summary:

Has long held the view that a pipe underneath the strings of a piano would increase the resonance. Had not conceived such an instrument as JH suggested. Why are 3rds and 6ths more agreeable to the ear than 4ths and 5ths?

Contributor:
John Herschel Project
Document type
Transcription available