《钱学森力学手稿(7)(精)》由钱学森著。钱学森先生在美国深造和工作期间留下大量珍贵手稿，这些手稿真实展示了钱学森先生博大精深的学识、开拓求实的精神和严谨奋进的作风，是钱老勇攀科学高峰和严谨治学的集中体现。这里，我们将部分原稿整理汇集成册，出版《钱学森力学手稿(7)(精)》，作为钱老百年诞辰的献礼。

Section 1 Ring Supported Column

Section 2 Buckling of Column with Two Non-linear Suppertes

Section 3 Buckling of Column with Three Non-linear Suppertes

Section 4 Buckling of Column with One Non-linear Support

Section 5 Buckling of Column with One Non-linear Support

     and Initial Deflection

Section 6 Buckling of Column with ()ne Non-linear Support,

     Initial Deflection and Elasticity of Machine