Indeed from Westley Richards thru Francotte. If we could find info on the APUN payments we'd have it(follow the money). I don't recall the A&D Body Action patent being filed in Suhl but the mechanics rode several different platforms in an attempt to settle on one while the A&D Body Action protection period played out.

Charles Daly, or his agents, were the thread that binds from Scott to Tolley, Lindner and forward to the Belgian example below:

http://www.hallowellco.com/charles_daly_Sidelock%20Side%20by%20Side%2020%20Gauge%20prewar.htm thru Francotte.

Note, they, S,D&G, always defines the Modell by Quality Number.....

Cheers,

Raimey
rse