首页 / 官方藏书 / Instructions on Modern American Bridge Building / Table of weights per running foot of a bridge, (either of wood or iron,) including weights of floor, lateral bracing, &c., complete, for a single track.
首页 / 官方藏书 / Instructions on Modern American Bridge Building / Table of weights per running foot of a bridge, (either of wood or iron,) including weights of floor, lateral bracing, &c., complete, for a single track.