For such purposes, however, a scale of only 90 degrees of arc was too limited, and use was made of Hadley's sextant.
'Ngezo jongo nakanjani isikali esikwiqondo le90° kwisazinge sesiqingatha laliqongophele kwaye umsebenzi wawusetyenziswa kwisixhobo sokulinganisa ukuphakama kwelanga ukufumana ubuphi benqanawa.