This is a wonderful object especially for anyone with a nautical interest. Apparently, a sextant is 'a doubly reflecting navigation instrument used to measure the angle between any two visible objects'. As I am no expert and don’t really know how it works,
It is in good condition and it appears to be in full working order with everything moving as it should. There is one lens/opening with half a mirror but I believe this is how it is supposed to be. This was sold to me with a little piece of bent brass with a hole in it which was in the box but I don’t know if it part of the instrument or not (see photos).
This comes in an shaped wooden box and is a great display piece.