Seismograph, Milne / pendulum, horizontal

One of two parts of a Milne seismograph by R.W. Munro, London - a horizontal pendulum having a cast iron vertical column on which is pivoted a boom, etc, various parts of the instrument lacking

Seismograph, Milne / recording drum

One of two parts of a Milne seismograph by R.W. Munro, London - a recording drum of a later type to T.1955.23 A

Seismograph

Seismograph, horizontal pendulum type, by J.J. Shaw, West Bromwich