The invention is of a paint for application to bear,a '.s and other parts of machinery, wt ,cii changes color with increases of temperature. Of. a bright vernuij m color, it changes under the influ-inc/j of hent Until it becomes black, and.when the falls below 120'ieg. F. it resume* its normal hue. I
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https://paperspast.natlib.govt.nz/newspapers/CL19130304.2.46.1
Bibliographic details
Clutha Leader, Volume XXXIX, Issue 58, 4 March 1913, Page 8
Word Count
53Page 8 Advertisements Column 1 Clutha Leader, Volume XXXIX, Issue 58, 4 March 1913, Page 8
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