Offers some possible explanation for what the unnamed observer saw [see GA's 1860-3-1].
Showing 1–20 of 112 items
Offers some possible explanation for what the unnamed observer saw [see GA's 1860-3-1].
Is arguing for the development of a British metrical system based on the length of the polar axis of the earth.
No summary available.
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Asks for details about a strange drawing of Jupiter JH had seen at the Royal Observatory some months earlier, and offers some comments about Warren de La Rue's eclipse photographs.
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A note with a copy of JH's article on telescopes for the Encyclopaedia Britannica, together with some papers to be forwarded to James Glaisher.
Has tried a number of different fractional projections, some more interesting than others [see GA's 1860-12-7].
No summary available.
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Recognizes the validity of GA's claim to the eyepiece theory [see GA's 1861-3-27]; JH did not have space to deal adequately with the subject of telescopes.
Asks GA many questions about his magnetical explanation [see GA's 1861-4-22].
No summary available.
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Encourages GA to develop some experiments to study the electrical phenomenon [see GA's 1861-9-23] more carefully.
No summary available.