N.A.CA. Technical Memorandum No. 905 Figs. 4,5 14-0< Figure 5.- Temperature distribution over the barrel of an air-cooled airplane-engine cylinder. The cooling fins were coated in succession with thermocolors 4,5, and 6. After the test the positions of temperature change were marked by small paper… … Figure 4.- Temperature distribution over an air-cooled airplane-engine cylinder.
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