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Head Resistance Due to Radiators (1920)
NASA Technical Reports Server (NTRS) · leaf 10
ZO 40 60 80 free Air Speed - mi/hr. ZO 40 60 60 free Air Speed ■ mi /hr Z<7 ^ /4/>- Speed - mi /hr.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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