2D area diagrams encoding average daily traffic as height and color are set up along their respective highways on a background map of the US. Background map seems to be a cut-out wooden panel; area diagrams potentially cardboard, or also wood veneer. Source: In: Fortune, June 194, pp. 94-95. Original by-line reads "Map by PRA. Photograph by Richard Carver Wood". PRA is presumably the Public Roads Administration (cf. https://en.wikipedia.org/wiki/Federal_Highway_Administration#History). Accessed […]

A 3D chart made out of a jagged cardboard for each year representing generated electricity and demand over time. Three-dimensional chart used by Central Electricity Generating Board planners, c.1954. Consists of about 300 cards with square-cut stepped edges in an enclosure of chrome steel uprights, mounted on a wooden base, with a handle at each end. Data represented from October 1951 to April 1954. An early example of 3D data visualisation [...] Also see our entry 1935 - 3D Visualizations of […]

Tangible data visualization of green areas and water in Berlin. "Green Berlin" is a living map showing parks and forests in Berlin. The green areas on the wooden map are laser cut, with moss growing through the holes. Source: Sebastian Meier, Green Berlin