Activity Listings
- Letter from Carl. D. Spangler to LP RE: mentions a new method for bringing constituent molecules together in a combustion system. Encloses a clipping from the newspaper and requests LP's response to it. Attached is a "Premise." Requests LP's opinion on it as well. [Letter from LP to Mr. Spangler February 7, 1952]. [Filed under LP Correspondence: Box #378, Folder #6]
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