Received documents from JH just before leaving for Berlin. Discussed periodic stars in Berlin. Stayed in Berlin longer than expected, but was received well by old friends.
Received documents from JH just before leaving for Berlin. Discussed periodic stars in Berlin. Stayed in Berlin longer than expected, but was received well by old friends.
Sorrow at loss of his daughter.
Sends by book post two photographs of the original drawings of the sun's observations, also a photograph of a model of the S.E. portion of the moon; comments on them. Will be pleased to accept JH's invitation to visit Collingwood.
No summary available.
Thanks JH upon receiving the essay for the Leeds Astronomical Society lecture series ['The Yard, the Pendulum, and the Metre, Considered in Reference to the Choice of a Standard of Length'].
No summary available.
Thanks GA for receipt of some Royal Observatory publications; is still pushing the British metrical standard based on the length of the earth's polar axis [see JH's 1860-3-2].
Condolences on death of JDH’s daughter.
No summary available.
Is co-editor of a new quarterly scientific journal [Quarterly Journal of Science] and would be pleased to receive any contributions from JH, which would be liberally paid for.
Leeds Astronomical Society will publish the essay written by JH for their lecture series after its presentation. WT will forward the proof for JH's corrections.
Concerning the 'Standards.'
No summary available.
No summary available.
No summary available.
No summary available.
Comments on the ease of calculation in geodesy in JH's version of the English system of units, and asks GA for some clarifications as JH prepares the seventh edition of his Outlines Astr.
JH wants to avoid using the meter in England; asks GA for the results of A. R. Clarke's calculations on the figure of the earth [see GA's 1863-10-7].
Regarding A. R. Clarke's paper on Geodesy. Benjamin Peirce's Lunar Table. The sun's parallax. JH's nebulae catalogue. Regarding the English inch.
Is still not happy with the earth's axis as a source of standard length; sends JH the results of A. R. Clarke's calculations on the figure of the earth [see JH's 1863-10-8].