| RefNo | PP/12/29/4 |
| Previous numbers | PP/44/33 |
| Level | Item |
| Title | Unpublished photograph, 'Arrangement for testing the duplex pendulum seismograph' by J A [James Alfred] Ewing |
| Date | 1888 |
| Description | A photograph, labelled figure 3, of the duplex pendulum seismograph used by Ewing in his investigations into the vibration of the Tay Bridge during the passing of railway trains. Annotations in ink.
Subject: Seismology
A diagram based on this photograph was published in volume 44 of the Proceedings of the Royal Society alongside the paper 'Seismometric measurements of the vibration of the new Tay Bridge during the passing of railway trains'. |
| Extent | 1p |
| Format | Photograph |
| PhysicalDescription | Photograph |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1888.0059 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8053 | Ewing; Sir; James Alfred (1855 - 1935); engineer and cryptographer | 1855 - 1935 |