Instrument flying : instruction book / Howard C. Stark special monographs selective service act : its legislative history, amendments, appropriations, cognates and prior instruments of security : Text (chapters I-IX) special monographs selective service act : its legislative history, amendments, appropriations, cognates and prior instruments of security : Appendices A-B special monographs selective service act : its legislative history, amendments, appropriations, cognates and prior instruments of security : Appendices B-D special monographs selective service act : its legislative history, amendments, appropriations, cognates and prior instruments of security : Appendices E-F Vervolg op de lijst van voorhanden kaarten en instrumenten [bij] het Departement van Oorlog Bedingungen für die Konstruktion leistungsfähiger Flugzeitenmesser, auf Grund von Versuchen / zsgest. von A. & R. Hahn Militair tandheelkundig instrumentarium : inhoudslijst van de 7 kisten Geodätische Instrumente / von Adolf Fennel training regulations Topography and surveying / War Department : Care and adjustment of instruments / War Department pamphlet Directions for the use of artillery instruments : The slide rule Tele-communication engineers' instrument manual / by Paul H. Hunter