Inquiry Into Operations of the United States Air Services: Hearings Before the Select Committee of Inquiry Into Operations of the United States Air Services, House of Representatives, Sixty-eighth Congress, on Matters Relating to the Operations of the United States Air Services, Volume 7; Volume 35U.S. Government Printing Office, 1925 |
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Common terms and phrases
Admiral FISKE Admiral JONES Admiral SIMs aerodynamic Aeronautics ailerons air force air power Air Service Aircraft Association airfoil airplane airplane carrier angle of attack Army aviation battleship bomber bombs Brigadier General MITCHELL built Bureau ceiling cent committee contract cross-license agreement Curtiss drag efficiency Elevator engine estimate factor feet fleet flight flying fuselage Graph guns horsepower J. V. Martin KERBER landing gear Lieutenant Commander GRAY Lieutenant OFSTIE Lieutenant STREET load machine Manufacturers MARTIN MO-1 McCook Field miles per hour MO-1 seaplane motor naval Navy Department O'SULLIVAN officers operation patent performance PERKINS pilot pitching moment PN-7 seaplane pounds PRALL propeller pursuit plane question rate of climb REID ROCHE rudder Secretary of War Secretary WEEKS ship speed stability submarines tail plane thing tion torpedo War Department WARNER Washington weight wind tunnel wind tunnel tests wing yawed
Popular passages
Page 3153 - And: x"That whenever an Invention described In and covered by a patent of the United States shall hereafter be used or manufactured by or for the United States...
Page 3061 - The right of persons employed in the civil service of the United States, either individually or collectively, to petition Congress, or any Member thereof, or to furnish information to either House of Congress, or to any committee or member thereof, shall not be denied or interfered with.
Page 3159 - All transfers and assignments made of any claim upon the United States, or of any part or share thereof...
Page 3159 - Such transfers, assignments, and powers of attorney, must recite the warrant for payment, and must be acknowledged by the person making them, before an officer having authority to take acknowledgments of deeds, and shall be certified by the officer; and it must appear by the certificate that the officer, at the time of the acknowledgment, read and fully explained the transfer, assignment, or warrant of attorney to the person acknowledging the same.
Page 3182 - ... has not paid, or promised or agreed to pay, to any third person? in consideration of such procurement, or in compensation for services in connection therewith, any brokerage, commission, or percentage upon the amount receivable by...
Page 3366 - Aspect ratio. The ratio of span to mean chord of an airfoil ; ie, the ratio of the square of the span to the area of an airfoil.
Page 3163 - December, 1884, before me personally came and appeared Caroline R. Wright, Anna A. Harris, Harriet B. Skidmore, and Sarah K. Cornell, to me known, and to me personally known to be the individuals described in and who executed the foregoing certificate, and they severally duly acknowledged to me that they executed the same.
Page 3366 - CHORD (OF AN AIRFOIL SECTION) .—The line of a straight edge brought into contact with the lower surface of the section at two points; in the case of an airfoil having double convex camber, the straight line joining the leading and trailing edges. (These edges may be defined, for this purpose, as the two points in the section which are farthest apart.) The line joining the leading and trailing edges should be used also in those cases in which the lower surface is convex except for a short flat portion.
Page 3163 - Clerk of the City and County of New York, and also Clerk of the Supreme Court for the said...
Page 3366 - AXES OF AN AIRCRAFT: Three fixed lines of reference; usually centroidal and mutually rectangular. The principal longitudinal axis in the plane of symmetry, usually parallel to the axis of the propeller, is called the longitudinal axis; the axis perpendicular to this in the plane of symmetry is called the normal axis; and the third axis, perpendicular to the other two, is called the lateral axis.