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Books by Harold S. Blackburne

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2 books found
Tables of calculated hour-angles and altitude azimuth table 30N. to 30S. Ex-meridian tables 70N. to
Tables of calculated hour-angles and altitude azimuth table…
By: Harold S. Blackburne
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Tables of calculated hour-angles and altitude azimuth table 30N. to 30S. Ex-meridian tables 70N. to
Tables of calculated hour-angles and altitude azimuth table…
By: Harold S. Blackburne
View Details