The birth of scientific navigation : the solving in the 18th century of the problem of finding longitude at sea / by Eric G. Forbes.

vii, 25 p., [8] leaves of plates :, 30 cm.

VK567 .F67 1974 c.2

Nautical astronomy -- History -- 18th century., Nautical instruments -- History -- 18th century., Longitude.

England--London--Greenwich: National Maritime Museum, 1974.

Book