Average wear. Occasional jottings in pen. ~ Sample papers in this 1027-page French/English engineering text: Some special techniques developed at the Road Research Laboratory, England, for testing roads and other structures; Determination of damages in reinforced concrete constructions with ultrasonics; Stresses and deformations in the Krokstrommen Arch Dam; Temperature measurements with thermistors in concrete; Photogtammetric measurements of deformations of structures; Effect of longitudinal joint on the stresses at the base of an arch dam; Observation of dams - Methods and apparatus used in Portugal; Observation of dam displacements by means of pendulums; Observation of joint movements in dams; Measurement of strains in the Portuguese concrete dams... ~ 1027 pages