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Title: Navigational computing instrument [Go to resource]
Description: Similar to the Willis navigating machines: knowing declination, altitude (zenith distance) you can find hour angle or azimuth, or the other way round. AUDIT - object needs marking with its ID number. caption: Electrical Sextant Publisher: "http://collections.rmg.co.uk/" Rights holder: "Royal Museums Greenwich" Subjects: electrically powered sextants Source: Royal Museums Greenwich Identifier: http://collections.rmg.co.uk/collections... Go to resource More Like this...
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