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Flight Measurements of the Effect of Various Amounts of Aileron Droop on the Low-Speed Lateral-Control Characteristics of an Observation Airplane

Description: Report presenting tests of the low-speed lateral-control characteristics of an observation airplane with ailerons and spoilers in combination and with the spoilers disconnected and the ailerons used alone with various amounts of droop. The results indicated that in unstalled flight at low speeds and with flaps deflected, little or no aerodynamic benefit was derived by changing the lateral-control system from the aileron and spoiler combination to a normal aileron installation either with or wit… more
Date: August 18, 1943
Creator: Turner, William N.
Item Type: Refine your search to only Report

Newsmap. Monday, January 18, 1943 : week of January 8 to January 15

Description: Front: Text describes action on various war fronts: New Guinea, Solomons, Tunisia, Burma, Libya, Europe, Russia, supply. Large world map is keyed to text and illustrates time zones around the world. Inset maps: [New Guinea] -- [Tunisia] -- [U.S.S.R.] Photographs: Southwest Pacific bombing mission; Trophies of war; Navy scout boards its cruiser. Back:"Learn to Recognize These Vehicles : Medium Tanks and Self-Propelled Artillery" poster gives identifying features and illustrations of variou… more
Date: January 18, 1943
Creator: [United States.] Army Orientation Course.
Item Type: Refine your search to only Poster

Newsmap. Monday, October 18, 1943 : week of October 7 to October 14, 214th week of the war, 96th week of U.S. participation

Description: Front: Text describes action on various war fronts: Russia, Central Italy, Italy, Azores, Air offensive, Norway, Southwest Pacific, Wake. Large world map shows United Nations, Axis and Axis occupied areas, countries with Axis relations broken, and neutral countries. Includes inset maps: Eastern Europe, Roads to Rome, the globe, Scene of combined operations in the southwest Pacific. Photographs: Burma bombing campaign, Modern road to Rome, Wake Island, Tailgunner Sergt. Harris Goldberg of Broo… more
Date: October 18, 1943
Creator: [United States.] Army Orientation Course.
Item Type: Refine your search to only Poster
open access

Fission Spectrum

Description: Measurements of the spectrum of the fission neutrons of 25 are described, in which the energy of the neutrons is determined from the ionization produced by individual hydrogen recoils. The slow neutrons producing fission are obtained by slowing down the fast neutrons from the Be-D reaction of the Stanford cyclotron. In order to distinguish between fission neutrons and the remaining fast cyclotron neutrons both the cyclotron current and the pusle amplifier are modulated. A hollow neutron contain… more
Date: August 18, 1943
Creator: Bloch, F. & Staub, H.
Item Type: Refine your search to only Report
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