[CR]Sturmey Archer trigger shifters evolution 1938-1960 - online document

From: "Dr. Paul Williams" <castell5@sympatico.ca>
To: "Classic Rendezvous" <classicrendezvous@bikelist.org>
Date: Sat, 25 Oct 2008 19:51:24 -0400
Subject: [CR]Sturmey Archer trigger shifters evolution 1938-1960 - online document

Not sure if this has been posted before, but I just came across this very useful looking document - complete with colour pics and description of the evolution of SA trigger shifters from 1938 through to 1960:

http://genetics.mgh.harvard.edu/hanczyc/pdfs/satriggersjuly06.pdf

I can't speak to the accuracy of the information provided, however, as I am not an expert on such issues.

Paul Williams, Ottawa, ON, Canada

Paul B. Williams, BAH, MPhil, PhD
Ottawa, Ontario, Canada
castell5@sympatico.ca