Steel Specimens showing Colours for Tempering, 1801-1900

SMG00229155

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

SMG00229155
Science Museum Group
© The Board of Trustees of the Science Museum

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