| Description | Observations of magnetic dip made using No.2 Lloyd's needle (new), then needles numbered Lloyd A1 and A2 at the 'Shed near Observatory'. Columns for needle position: face from limb, and with limb, and lower and upper end; columns for poles direct and poles reversed. From p.18, observations are given from the same dates, reverse and direct observations, with columns for 'marked end North' and 'marked end South'.
Inscribed [p.1]: 'No. 6 Magc Dip March 1843'. Signed [p.31] by C.M. Elliot. |