Adjustable errors of the sextant - Determining and correcting the errors

This video explains the adjustable errors of the sextant. The adjustable errors of the sextant can be determined by the user and corrected. The errors are: error of perpendicularity, side error, error of parallelism, and error of collimation. This video uses animation to explain how these errors may occur in a sextant, how the errors may be determined, and how the errors are corrected. Separate videos will explain the non-adjustable errors and the index error calculation. Non-adjustable errors of a sextant:    • Non-adjustable errors of the SEXTANT