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Heat energy of various ignition sparks (1920)
NASA Technical Reports Server (NTRS) · leaf 13
HEAT PER SPARK OF '/iE/NZE MAGNETO. LOf/G CAMS, fZCyf. Puffy Advanced. V H *4 3" fed Ml 2500 PtatNoJO Re volutions per Minute.NASA Technical Reports Server (NTRS)
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