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  1. Astrolabe - An ancient navigational instrument which was an astronomical computer

    Astrolabe - An ancient navigational instrument which was an astronomical computer

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  2. Astrolabe: A 2000 year old GPS, based on flat and stationary earth model. JOIN: FLAT EARTH

    Astrolabe: A 2000 year old GPS, based on flat and stationary earth model. JOIN: FLAT EARTH

    15