Instrument formerly used to measure the altitude of stars and planets and as a navigational aid — Crossword Clue

What is the answer to the crossword clue „Instrument formerly used to measure the altitude of stars and planets and as a navigational aid“. We have found 1 Answers for: „Instrument formerly used to measure the altitude of stars and planets and as a navigational aid“. Try to find some letters, so you can find your solution more easily.