x, 198pp. Printed light blue card covers, black illustration on front wrapped around spine and onto rear cover, black titles on front and spine. 8vo. Covers lightly soiled and protected by self-adhesive. Spine ends and corners moderately rubbed, front bottom corner curled. Previous owner's name inside front cover else internally neat, bright and tight.
With sections on basic concepts, statically determinate trusses, redundant trusses, secondary stresses and the failure of braced frameworks and minimum weight frameworks.