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Titles
- Final report on Project: AMRL no. 37 -- study of errors in field artillery practice1
- First partial report on Project, AMRL no. 37 and NDRC no. SOS-11 -- study of errors in field artillery practice1
- Fourth partial report on Project no. 37 -- study of errors in field artillery practice: subject: an analysis of the sources of error in the use of the aiming circle and development of an improved instrument1