Has spent much time on figures and annotations for JH's nebula catalogue [see GA's 1863-6-5]; JH needs information from a paper in GA's hands.
Has spent much time on figures and annotations for JH's nebula catalogue [see GA's 1863-6-5]; JH needs information from a paper in GA's hands.
Additional information is provided to that sent by E. J. Stone [see ES's 1863-7-9].
Concerning Thomas Maclear.
Giving results (including diagram) of a comparison of earth currents and magnetometer disturbances.
Regarding William Lassell's nebulae drawings in the R.A.S.'s Memoirs. House of Commons action concerning 'Weights and Measures.'
Has climbed Ben Nevis.
Concerning the 'Standards.'
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.
Comments on the possibility of employment in India for GA's son, Hubert.
Regarding employment for GA's son in the Educational Departments in India.
Regarding the Proceedings of the Southern Telescope Committee.
Requesting JH to write to Thomas Maclear to get him to finish his work on the Trigonometrical Survey of the Cape.
Is returning correspondence on Southern Telescope Committee and the Melbourne telescope. Comments on the working of the scheme.
Regarding the work of Thomas Maclear.
Regarding JH's remarks about colored fringes in the clouds.
Thanking him for his statement about solar motion.
Was surprised at the large vote in support of a parliamentary bill to abolish the British Standard of weights and measures; JH hopes bill will not pass.
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].
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].
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].