Deck : General Navigation - 845/2138 |
---|
« Previous Question |
A marine sextant has the index arm set at zero and the reflected image of the horizon forms a continuous line with the actual image. When the sextant is rotated about the line of sight the images separate. The sextant has __________. |
A) prismatic error |
B) centering error |
C) side error |
D) error of perpendicularity |
loading answer...
Comments |
---|
There are no comments for this question. |