U.S. Department of Health & Human Services

NLM Digital Collections

Search

Search Constraints

Start Over You searched for: Formats Text Remove constraint Formats: Text Collections World War 2, 1939-1949 Remove constraint Collections: World War 2, 1939-1949 Copyright Public domain Remove constraint Copyright: Public domain Genre Technical Report Remove constraint Genre: Technical Report
Number of results to display per page

Search Results

14. 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 instrument

nlm:nlmuid-101678214-bk