One page typescript on the problem of flatness in the pitch of the seventh harmonic when playing brass instruments with detailed discussion of natural harmonic scales and their comparison to the scale of equal temperament. 'BMM' may be 'Brian Manton-Myatt'.
Typescript entitled: "Those flat seventh harmonics!", signed 'BMM'
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Black and white negative of ships with large masts docked in port with people on boat
object | ARC/GUP/005/035
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Slide of the view of a valley
object | ARC/BAL/003/010
Archive
Black and white negative of large winding river/coastline, cultivated fields, and buildings from air with part of wing in frame
object | ARC/GUP/005/092
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Town Hall (?)
object | ARC/GUP/002/169
Collection Information
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