This is the first contribution in a new series of Historical Notes on seminal concepts in earthquake engineering and structural dynamics. It records the origins and early developments (up to the late 1960’s) of the elastic response spectrum.
CanalMan Hydraulic Model Version 5.42 April 1996 (Beta version)CanalMan was developed as an MS Windows 3.1 application. It runs under Windows 95
just as under Windows 3.1, but as yet it is not optimized for use under Windows 95.