3M factory water tower, ca. 2001. Water towers were a visible part of 3M’s large factory facilities. This water tower was located in Gorseinon, Wales, United Kingdom. Photograph by Wikimedia Commons user Nigel Davies.
Thermo-Fax copying machine, 1958. The Thermo-Fax was the first photocopier marketed in the United States. While it has since been made obsolete by more advanced products, it had major impacts on office communication.