Nevil Maskelyne : the seaman's astronomer / Derek Howse ; with a foreword by Sir Francis Graham Smith.

Greenwich time and the discovery of the longitude / Derek Howse.

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Derek Howse

Works from the collections

Nevil Maskelyne : the seaman's astronomer / Derek Howse ; with a foreword by Sir Francis Graham Smith.

Greenwich time and the discovery of the longitude / Derek Howse.