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299 tive durability of the automobile plate coatings used during the years 1934, 1935, and 1936 by the State of South Carolina.
The plates for 1934 and 1936 have a yellow and black color scheme while for the 1935 plates the color scheme is black and white. The last has proved to be the poorest of the plates. After two weeks in the accelerated test the white coating was chalking badly and rust began to show through. The yellow and black coatings, on the other hand, were in perfect condition.
This confirms previous findings of the Bureau.
REFLECTANCE STANDARDS FOR ENAMELS.
๐ SIMILAR VOLUMES
WET-PROCESS enamelling of cast iron is becoming of importance because of its application to the enamelling of stove parts, sanitary fittings, and hardware. This paper is a report of an extended investigation of wet-process enamels for cast iron, both with and without the use of ground coat. Composit