Reciprocity Whenever human activities incorporate machines or rigidly prescribed procedures, the modes of human interaction change. In general, technical arrangements reduce or eliminate reciprocity. Reciprocity is some manner of interactive give and take, a genuine communication among interacting parties. Ursula M. Franklin, The Real World of Technology reciprocity
Separation of surface and structure The nineteenth century saw an increasing separation between the treatment of the surface and the structure of designed objects. Mass production and a mobile market economy encouraged the production of heavily ornamented yet cheaply fabricated products. Affordable manufacture allowed the burgeoning middle class to acquire “luxury” goods fashioned after objects formerly reserved for an elite. Ellen Lupton & J. Abbott Miller, The ABC's of ▲■●: The Bauhaus and Design Theory The drop press structurematerial