Sleeping in oblivion [electronic resource] : John "Longitude" Harrison's forgotten masterpiece /
Heskin, David.
Shepshed : Soptera Publications,
2007.
Title from title screen.
Files in Microsoft Word (Office 2000) format.
Harrison, John, 1693-1776.
Longitude.
Available for use on a standalone workstation within the library for single users. Disc will require installation.