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Don
Ashton’s site devoted to steam locomotive valve gears
and their design, kinematics and distribution problems,
particularly for Walschaerts’ and Stephenson’s
gears. History and help for the smaller gauges. Please read
the
INTRODUCTION
first.
Don Ashton
Don Ashton passed away on Easter Saturday 2020, three days
short of his 81st birthday.
He will be remembered
for many things, but music and engineering will be high on
the list.
Don was the technical lead for the 4709 project, and there's
an appreciation
of his life on the 4709 project web site.
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