NLM Digital Collections

Search

Search Constraints

Start Over You searched for: Formats Text Remove constraint Formats: Text Subjects United States Remove constraint Subjects: United States Subjects Military Personnel -- education Remove constraint Subjects: Military Personnel -- education

Search Results

30. Second 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 panoramic telescope M12 and development of principles of design for an improved instrument