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Request materials for use in the Bentley Library Request Clear Container / Location Title Reports and projects Model-37 Box 2 [Stabilizer tests?] 1941 Box 2 Stabilizer and other drawings 1941-1942 Model-49 Box 2 Analysis of down-bending failures Box 2 Operation-damage tests of proposed model-49 flap tracks undated Box 2 Operation-damage tests of proposed model-49 flap-extending cables January 7, 1943 Box 2 Stiffener stresses 1940 Box 3 Test of control-cable tension governor December 23, 1942 Box 3 Tests of ducted-skin compression panels January 24, 1944 Box 3 Tests of floor-support structure in airplane no. 1962 of model-49 series undated Model-89 Box 3 [Roller tests?] 1943-1944 Box 3 Tests and developments of proposed model-89 flap-system rollers and tracks 1945 Model-349 Box 3 Model-349 cargo floor panel tests February 2, 1943 Box 3 Pressure tests of proposed model-349 cabin windows undated Box 3 Static tests of proposed model-349 floor structure November 30, 1942 Model XB-30 Box 3 Preliminary design and stress analysis of main rings-front stabilizer bulkhead-ring at station 150 September 16, 1940 Model-XP-58 Box 3 An investigation of the crushing loads imposed on using ribs by wing flexure April 2, 1941 Box 3 Tests to determine the characteristics of double-skin type of wing construction 1941 General and unidentified Box 3 The construction and operation of the Lockheed electrical system for measuring strains November 7, 1941 Box 3 Various-unidentified (3 folders)