UNITED STATES. ARMY. CORPS OF ENGINEERS. THE ENGINEER BOARD, TECHNICAL STAFF (Author) UNITED STATES. WAR DEPARTMENT REPORT; 860 (Author) LEONARD, C.Z. (Author) Technical Staff, Engineer Board, Corps of Engineers, U.S. Army (Publisher)
MINISTRY OF SUPPLY. INSPECTORATE OF ELECTRICAL AND MECHANICAL EQUIPMENT (Author) WAR OFFICE CODE; NO. 12008 (Author) Ministry of Supply, Inspectorate of Electrical and Mechanical Equipment (printer)