Someone has experimented with sound and finds that the pitch of a note is altered when transmitted through solids; is this true in JH's experience? Supposes that Lady Herschel has now returned.
Someone has experimented with sound and finds that the pitch of a note is altered when transmitted through solids; is this true in JH's experience? Supposes that Lady Herschel has now returned.
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Regarding JH's question about formulae for intensities of reflected light, BP encloses a paper concerning G. G. Stokes's conclusions about the direction of the plane of vibrations.
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Writes to assure JSH that all students taking the Cambridge medical examination should have already passed the botany examination, so his attendance is not necessary.
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Advises him to put his house in the hands of a temporary tenant so that he can rest.
Would give him great pleasure to comply with JH's request, but the trees are in the garden of a Mr. Powell.
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Returns a letter from JH.
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Announces funeral of Robert Stephenson.