![](https://coimages.sciencemuseumgroup.org.uk/132/128/large_thumbnail_cd0642_012_110125_rmg_mass_spectrometer.jpg)
Rule used by James Joule
- Made:
- circa 1858 in Manchester
- maker:
- John Benjamin Dancer
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/988/small_thumbnail_y1969_0005_0015__0006_.jpg)
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/989/small_thumbnail_y1969_0005_0015__0005_.jpg)
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/986/small_thumbnail_y1969_0005_0015__0002_.jpg)
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/984/small_thumbnail_y1969_0005_0015__0001_.jpg)
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/987/small_thumbnail_y1969_0005_0015__0004_.jpg)
![Rule in wooden case, made by John Benjamin Dancer, c](https://coimages.sciencemuseumgroup.org.uk/302/985/small_thumbnail_y1969_0005_0015__0003_.jpg)
Rule in wooden case, made by John Benjamin Dancer, c.1858 and used by James Joule.
Details
- Category:
- Scientific Instruments & Research
- Object Number:
- Y1969.5.15
- Materials:
- wood (unidentified), brass (copper, zinc alloy) and ivory
- Measurements:
-
overall: 14 mm x 45 mm x 335 mm,
- credit:
- Gift of University of Manchester Institute of Science & Technology