Ключевые слова:
Instructions for use|Design|Reproducibility|Marking|Marine navigation|Directional measurement|Compass adjustment|Performance|Damp-heat tests|Navigation|Vibration testing|Environmental testing|Water transport engineering|Marine instruments|Magnetic compasses|Electrical testing|Gyroscopes|Environment (working)|Performance testing|Accuracy|Vessels|Navigational measurement|Type testing|Ships|Water transport engineering components|Thermal testing|Radiocommunication