Both results were achieved in the case of the sextant (and later of the theodolite) by substituting a complete circular scale.
Zombini iziphumo zafunyanwa kwimeko yesixhobo sokulinganisa (neyamva kwisixhobo esisetyenziswa ukucand a ilizwe okanye umhlaba) ngokufakelela kwisikali sesekile yokugqibela.