David Heskin's Website
Review of "Sleeping in Oblivion"
Review by Fortunat Mueller-Maerki
Article from HSN 2011-2
How many teeth should a healthy grasshopper have?
Documents available on the downloads section of David Heskin's website
SLEEPING IN OBLIVION - John "Longitude" Harrison's Forgotten Masterpiece - David Heskin - Soptera Publications
PERFECTING THE SINGLE PIVOT HARRISON GRASSHOPPER ESCAPEMENT :: New version September 2012
COMPUTER AIDED DESIGN of HARRISON TWIN PIVOT and TWIN BALANCE GRASSHOPPER ESCAPEMENT GEOMETRIES :: New version September 2013
A "TRANSLATION" OF HARRISON'S CSM