权威例句
Syllabus of Engineering SubjectsCALIBRATION OF PRISMATIC COMPASSESOrdnance maintenance : prismatic compass, M1918.Ordnance maintenance : prismatic compass, M1918.Improvements in prismatic compasses with special reference to the Creagh-Osborne patent compassThe Use of the Prismatic Compass in Mine SurveyingArchaeological Methods: Reading a CompassThe Carnegie Institution marine collimating compassOn the manufacture and testing of prismatic and other compassesCHAPTER VIII. UNDERGROUND SURVEYING.
