Thermochrom Crayons (Pencils),. 1950-53

Made:
1950-1953 in Nuremberg
maker:
A W Faber-Castell
SMG00229156

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SMG00229156
Science Museum Group
© The Board of Trustees of the Science Museum

Set of 12 thermochrom pencils in a box, by A.W. Faber-Castell, Stein, Nuremburg, Germany, 1950-53. Used for checking surface temperature by colour change on contact with surface, 65-600°C.

Details

Category:
Heat
Object Number:
1953-344
Materials:
cardboard, fire clay and paper (fibre product)
Measurements:
overall (box closed): 16 mm x 121 mm x 125 mm, , .275kg
type:
pyrometric temperature indicator
taxonomy:
  • measuring devices
  • measuring devices
credit:
Allied Colloids (Bradford) Ltd.