Sources
J. E. Barnet: Time’s Pendulum – the quest to capture time from Sundials to atomic clocks. Plenum Press, New York, 1998
BSS Bulletin 1989 to 1999
F. Coe, private communication
C. St.J. Daniel: Sundials. Shire Publications, Princes Risborough
P. Duffett-Smith: Easy PC Astronomy. Cambridge University Press, Cambridge, 1997.
D.E. Duncan: The Calendar. Fourth Estate, London, 1998.
J.C. Eade: The Forgotten Sky ā a guide to astrology in English Literature. Clarendon Press, 1984.
J. Fleming, H. Honour & N. Pevsner: Architecture and Landscape Architecture, Penguin, 1998.
M Folkard and J. Ward: Sundials Australia (second edition). Sundials Australia, Adelaide, 1996.
S.L. Gibbs: Greek and Roman Sundials. Yale University Press, New Haven, 1976.
B. Hallemans and B. Bunch: The Timetables of Science. Simon and Schuster, New York, 1988.
A. P. Herbert: Sundials – Old and New. Smoetvhuen, 1967.
H. Higton: Sundials – an illustrated history of portable dials. Philip Wilson Publishers, London, 2001.
M. Hoskin (ed.): Cambridge Illustrated Astronomy. Cambridge University Press, Cambridge, 1997.
L. Jardine: Ingenious Pursuits ā building the scientific revolution. Little, Brown & Co., 1999.
J. B. Kaler: The Ever-Changing Sky – a guide to the celestial sphere. Cambridge University Press (Cambridge), 1996.
K. Lippincott: The Story of Time. Merrell Holberton, London, 1999.
R. N. Mayall & M. W. Mayall: Sundials ā their construction and use. Sky Publishing, Cambridge (Mass.), 1994.
J. Meeus: Astronomical Algorithms. (2nd edition). Willmann-Bell, Richmond, 1998.
H.R. Mills: Practical Astronomy. Albion, Chichester, 1994.
NASS Compendium 1994 to 1999.
National Maritime Museum: The Planispheric Astrolabe. Her Majesty’s Stationery Office, London,1976.
C.T. Onions (Ed.): The Shorter Oxford English Dictionary on Historical Principles. 3rd edition. Oxford University Press,
London, 1968.
R. Porter (ed.): Dictionary of Scientific Biography. Hutchinson, Oxford, 1994.
A. L. Rawlings: The Science of Clocks and Watches. Longman Group, Bridgend, 1993.
R. R. Rohr: Sundials ā history, theory and practice. Dover, New York, 1970.
S. Straus: The Sizesaurus. Kodansha International, New York, 1995.
G. LāE. Turner: Scientific Instruments 1500-1900 ā an introduction. University of California Press, Berkley, 1998
A. E. Waugh: Sundials ā their theory and construction. Dover, New York, 1973.