- Astrolabes [IA][Direct] -
Made by Norman Greene. Each Astrolabe comes with a chain, pouch, and instruction book.
- Celestaire [IA][Direct] -
Large selection of marine sextants, navigation computers, compasses, books, videos and software for traditional navigation. Free catalog. Ship worldwide.
- Martin Brunold Astrolabes [IA][Direct] -
Offers solid brass, handmade replicas of ancient astronomical and timekeeping instruments.
- Planetary-Visions.com [IA][Direct] -
Specialize in armillary sphere reproductions in solid brass. Custom orders also accepted.
- Starpath School of Navigation [IA][Direct] -
Marine education and publications; classroom, home study, and software courses avaliable.
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