![](https://coimages.sciencemuseumgroup.org.uk/42/398/large_thumbnail_1978_0334__0002_.jpg)
Steel Specimens showing Colours for Tempering, 1801-1900
- maker:
- William Haseldine Pepys
![SMG00229155](https://coimages.sciencemuseumgroup.org.uk/444/527/medium_smg00229155.jpg)
Set of 10 pieces of steel showing colours for tempering, with temperature scale in leather case. Made by William Haseldine Pepys, Poultry, London, 1800-1824
Details
- Category:
- Heat
- Object Number:
- 1917-18
- Materials:
- wood (unidentified), leather, steel (metal), ivory, silk, cotton wool and brass (copper, zinc alloy)
- Measurements:
-
overall (case closed): 17 mm x 152 mm x 50 mm, , .08kg
- type:
- pyrometric temperature indicator, pyrometer and thermometer
- credit:
- Court, Thomas Henry