Subject: Conference booklet of "Intendance Federale des Poudres, Berne, Switzerland" re the "Poudrerie Federale D'Aubonne" presented by Glenys and Alan Crocker
Description: Conference booklet of "Intendance Federale des Poudres, Berne, Switzerland" re the "Poudrerie Federale D'Aubonne" presented by Glenys and Alan Crocker
