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Showing 1–11 of 11 items
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Proposes a principle for the establishment of musical scales to satisfy musicians, not mathematicians, as JH had apparently done.
More on musical scales [see GA's 1868-4-3]; GA here proposes the use of hyperbolic logarithms to help establish the scales.
Suggests reducing the number of Greenwich astronomical observations printed, but not reducing the magnetic and meteorological observations.
Not well enough to attend Visitation Day at the Royal Observatory; fears JH will not likely attend any future meetings and should perhaps withdraw from the Board of Visitors.
Further regarding his theories on sound.
Has received the bill of William Ewart concerning the metrical scale.
Is sending William Pole's protest against the system of equal temperament in music [abstract of protest given].
Stating that the Board of Visitors could not afford to lose the services of JH.
Thanks for gift sent to JH's daughter Amelia; comments on William Petrie's number mysticism with the Great Pyramid.
Further regarding the theory of sound.