The 'lubber's line', a mark on the rim of the compass corresponding to the fore-and-aft line of the ship, is first mentioned in a Spanish nautical manual of 1580.
Ibhashubhashu lomgca, uphawu olukumphethowekhompasi ingqinelana nakwimphambili nakumgca oma inqanawa yokuqala ezakuxelwa yeya Spayini inqanawa yayinomsebenzi wezandla ngonyaka wewaka linye linamakhulu amahlanu anamashumi asibhozo.