Mechanization takes command, again

Mechanization takes command is the title of a book written by Sigfrid Giedion in 1948 which can be considered the first essay on the history of technology, where great importance is given to the furniture too. It covers almost a millennium of inventions. Mechanical furniture helps us to save space, they can transform the rooms where we are living or working. Mechanization is a concept not only referred to an object. What I would like to analyse in this paper is the comparison of three levels of mechanization in housing projects, each able to modify and transform spaces, acting on the single room, on the internal volume and also on the façade