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Start Over You searched for: Authors Horvath, Steven M., author Remove constraint Authors: Horvath, Steven M., author Authors Hatch, Theodore F., author Remove constraint Authors: Hatch, Theodore F., author Dates by Range 1900-1949 Remove constraint Dates by Range: 1900-1949
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7. 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

8. 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

nlm:nlmuid-101678178-bk