Alidade On Stand

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A decorative antique brass-style alidade would make a fantastic addition to any desktop. Alidades are sighting devices for determining directions used in surveying and (formerly) a stronomy. Alidades were used during voyages of exploration to assist with accurate map-making and reading. The Royal Museums Greenwich collection holds examples of alidades. View our full collection of replica instruments, including telescopes, sextants and compasses. Show more