Description | Daily readings of vibrations and deflections using a [bar?] magnetometer, designated 'A51'. Columns for number of vibrations, time, difference, difference of 50 vibrations, bifilar, and torion in an upper table, designated 'vibrations'; columns for deflection, reading, mean and difference, bifilar and torsion in a lower table, designated 'deflections'. With a monthly summary of results for January [p.30].
The notes are paper bound, the front cover inscribed: 'Mahabaleshwar January 1846' . Each sheet is headed 'Observations for Intensity'. There is a small pencil sketch of a graded jar on the end inside cover. |