| RefNo | AP/39/4/4 |
| Level | Item |
| Title | Diagram, pendulum experiment uncertainty by W S [William Stephen] Jacob |
| Creator | Jacob; William Stephen (1813-1862); English astronomer |
| Date | 1856 |
| Description | A small diagram, labelled figure 3, showing a section at the surface of the Earth with a sphere of lead demarcated, relating to Airy's pendulum method for estimating the density of the Earth.
Subject: Physical sciences / Mathematics |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1856.0072 |