EntityQ2355475· pop 7· linked from 19 articlesDip circleSign in to saveused to measure the angle between magnetic dip and the horizonConnectionsWorld War IConceptDublinEntityforceEntityInternational Standard Book NumberEntitycompassEntityhorizonEntityWayback MachineEntityNorthern HemisphereEntityminingEntitymagnetismEntityfrictionEntityEarth's magnetic fieldEntitysurveyingEntitymagnetometerEntitymagnetic dipEntityprospectingEntityHumphrey LloydEntityGeorg HartmannEntityRobert NormanEntityCategoriesGeomagnetismNavigational equipment