Astronomical Minds; The True Longitude Story

A hitherto untold true story of English 17th century scientific infighting and political intrigue which was responsible for the deaths of thousands of Negro slaves and resulted in the infamous 'Shovell' disaster of 1707 and loss of 2000 English seamen. Isaac Newton's unknown secret invention of 1696 - Edmond Halley's determination of longitude on the high seas in 1699 - Christopher Wren's 1714 blackmail cipher - and a great deal more packed into 268 pages.