vernier compass
noun Surveying.
a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
Words nearby vernier compass
vernet's syndrome,
verneuil process,
vernicle,
vernier,
vernier caliper,
vernier compass,
vernier engine,
vernier rocket,
vernier scale,
vernis martin,
vernissage