Posted by Second railway nerd on May 03, 2006 at 13:08:39 from 86.130.135.156 user Peter_H.
In Reply to: Re: Railway Race 1895 - was Thorpe Station - engine changing posted by First railway nerd on May 02, 2006 at 21:44:13:
Good points, all. To nerds like me (and to young scientists like Dick no doubt), the Walschaerts valve gear is poetry in motion. To see if you agree, have a look at this animated diagram (if it works):
Walschaerts was a Belgian mechanical engineer and invented this gear in 1844.