Military technology Almanak ... / Stichting Nederlandse Industrie voor Defensie en Veiligheid Weermacht Journaal Weermacht Journaal filmnegatief Namengids boekenbranche : met adressen, profielen, namen & nummers = Directory of the Dutch book trade : with names & numbers Industrial plant protection Vertol 44 for the petroleum industrie Aircraft Production : the journal of the aircraft manufacturing industry : Volume VII Aircraft Production : the journal of the aircraft manufacturing industry : Volume VIII Aeronautical engineering : a practical guide for everyone connected with the aircraft industry Caproni and the sea : design and construction fot naval warfare of a large Italian industrial group Conservation of Industrial Collections