Re the sidelock thing, it is worth remembering the comment by late Gough Thomas re the Dickson Round Action

"it yields nothing, nothing whatsoever, to the finest sidelock ever built"

and bear in mind that Thomas (G.T. Garwood, engineer and gun writer for the Shooting Times) was a lifelong Purdey and Atkins user so he had direct knowledge of the finest sidelock technicalities.

Last edited by Shotgunlover; 01/10/17 01:52 AM.