Believes that Edward Sabine has brought J. H. Lefroy's paper on the Aurora Borealis to JH's notice. Now presents another report on this subject, with comments.
Believes that Edward Sabine has brought J. H. Lefroy's paper on the Aurora Borealis to JH's notice. Now presents another report on this subject, with comments.
Giving his views on the proposed supply of a large reflector for the Cape Observatory.
Sends a copy of the notice in the Times of a fall of ice in Rossshire, also an account of a similar fall in India in 1826. Comments on these occurrences. [James] Dalmahay has constructed a slide rule for computing the dew-point.
Reimbursement from Navy for bills paid by JH to Georg Merz for 'Cape Equatorial.'
Encloses note from accountant general of Navy about payment of Cape telescope. Send receipt to FB to complete transaction.
Please ask JH to send receipts to account for £316 spent on equatorial telescope from Munich.
Cannot accept the invitation to stay during the B.A.A.S. meeting in Edinburgh, as JH will be unable to come.
Selection procedures for the vacant astronomy post at Trivandrum [see RS's 1850-3-31].
About some difficulty in trying to determine [Andrew] Graham's interest in the Trivandrum post.
[Andrew] Graham is not interested in the post [see JH's 1850-4-23].
Sends some post office stamps to pay for a 'certificate'.
Thanks JH for the volume of verse. Hopes the Herschels will visit if they come to London.
Asks JH to accept sunspot observations made over 14 years by the late [J. W.] Pastorff of Altona Observatory. Accompanying micrometrical measurements are worthless due to mounting of telescope.
Sends [J. W.] Pastorff's solar observations [see HS's 1850-4-16] as JH's own property.
Discusses balloon experiments to explain fall of barometer with humidity, and explains more discrepancies in vapor-pressure observations. Mentions new 'Hygrometric condenser' as an alternative to wet bulb experiments.
Clarifies results of pressure oscillations on two coasts of India as similar despite different weather conditions, and deems results thus unsatisfactory; explores reasons and suggests solutions for lack of success.
Discusses changes in system of awarding R.S.L. Royal Medals.
A Mr. Patton has applied for a position as astronomer. Is he 'conversant with practical observing'?
Thanks JH for some historical information on events of the first century A.D. [for TL's study on the life of St. Paul].
Letter to accompany a gift of the first part of FB's popular psychology work.