| Description | Commencing 'With regard to the readings of the Declination Magnetometer it is necessary to remark that I have some doubt as to their accuracy, between the hours of midnight and 10am...'. Ludlow gives an explanation of the instrument's problem, the lower part of the stirrup being in contact with the copper bar.
Headed 'Mem. for October'. Signed and dated: 'Madras 20th Decr. S.O.E. Ludlow Supt'. |