From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 August 1842]
Source of text:
RGO 6.675.329
Summary:
A note to accompany some letters being returned to GA.
Contributor:
John Herschel Project
Showing 1–5 of 5 items
A note to accompany some letters being returned to GA.
Asks GA's opinion as to whether Ordinance observatories should make their magnetic observations on a 3-minute or 5-minute system.
Is organizing a committee to revise the instructions for observers at magnetic observatories; GA is on it.
Returning packet of papers on magnetism. Encloses copy of a letter he has sent to Edward Sabine. Has seen the recent eclipse of the sun.
Encloses copy of a letter written to Edward Sabine. Wants instruments of quicker vibration.