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Book/Printed MaterialExamination of enemy materiel. Metallurgical examination of three types of Japanese aircraft exhaust valves and the two types of intake valves. (Progress Report No. M-308.) Report series: OEMsr-722; Project Nos. OD-113, AC-77 and NRC-32; OSRD No. 3838. Research lab: Battelle Memorial Institute. Report. Digital reproduction from OSRD-NRDC microfilm; also available in print and on microfilm. Description from catalog card image included in microfilmed report. start page 591 ; end page 604
- Contributor: United States. Office of Scientific Research and Development. National Defense Research Committee
- Date: 1944