Tracing 16.5 ft [16 feet and 6 inches] = 5.0292 meter in Georgian London applying an improvised chain [20.1168 m by adding 11.68 cm to the end scale of an usual 20 meter measuring tape …]
'A Guide to the Architecture of London'
by Edward Jones, Christopher Woodward, published by Weidenfeld & Nicolson London, 1995 [first published 1983]
Used to select suitable sites.
[Page 170] "Chesterfield Street W1, c 1740
Remarkable for its complete and regular Georgian terraces (though number 10 is slightly later and has different details) […]"
'Georgian London'
by [Sir] John Newenham Summerson, edited by Howard [Montagu] Colvin, published for the Paul Mellon Centre for Studies in British Art by Yale University Press, New Haven and London, 2006 [first published 1945]
