In part one (Side A) of this lecture Anthony Mann discusses the industrial revolution, and the emergence of a separation between the public and the producer. Mann explains the role of the manufacturer vs. the engineer, and the emergence of design and production no longer being one centralized act. Mann also explains the creation and origin of the Art Nouveau movement. In part two (Side B) of this lecture Mann continues discussing the relationship between crafts people and engineers during the Victorian Era. Mann explains the shifts that happen in structural design by using the example of the design on the bicycle. Mann also introduces Constructivism, and explains this an an attempt to make art appropriate to the machine made process.