Description | Daily readings of vibrations and deflections using a [bar?] magnetometer, designated 'A51', with various weights. Columns for number of vibrations, time, difference, difference of 50 vibrations, bifilar, and torsion in an upper table, designated 'vibrations'; columns for deflection, reading, mean and difference, bifilar and torsion in a lower table, designated 'deflections'.
The notes are paper bound. Each sheet is headed 'Observations for Intensity. |