IN the article published under this heading in the October issue of Aircraft Engineering it was not possible to give the composition of the “Thermocolor” paints developed by I. G. Farbenindustrie. In response to inquiries wo now give the following abstracts of two British Patents taken out to cover the process.
(1939), "Temperature‐Indicating Paints: Further Information Regarding the Paints Described Last Month", Aircraft Engineering and Aerospace Technology, Vol. 11 No. 11, pp. 431-431. https://doi.org/10.1108/eb030573
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