form vs. f(x)
g+c
publicdomainreview:

Diagram from Geometrical psychology, or, The science of representation: an abstract of the theories and diagrams of B. W. Betts (1887) by Louisa S. Cook, which details New Zealander Benjamin Bett’s remarkable attempts to mathematically model the evolution of human consciousness through geometric forms. See more here: http://publicdomainreview.org/collections/b-w-betts-geometrical-psychology/
nemfrog:

Fig. 12. 1879.
nemfrog:

Electrotherapy experiment. 1891.
nemfrog:

Swimming Lessons. 1846.
design-is-fine:

Japanese Railways Poster, 1930s. Unknown artist. Via wiki
design-is-fine:

Cover of Novum - Gebrauchsgraphik, shop sign of an African hairdresser, 1977. Unknown artist.
(via Sabine Finkenauer)
Image from page 19 of “English Review” (1916) by Internet Archive Book Images on Flickr.
geometric bowls - origami bowls - mache’art - by Djaliforyou (78.00 EUR) http://ift.tt/1n0eVSR
Vintage Round Stoneware Studio Art Pottery Weed Pot by MidModMomStore (45.00 USD) http://ift.tt/1kpbkD3
Vase in cherry burl by Clavico (159.00 USD) http://ift.tt/1kpbkmH
Black and White Hexagon Serving Bowl. Large fruit bowl. Porcelain. Modern kitchen. Geometric. Tableware. Wedding registry. MADE TO ORDER. by MelissaMayaPottery (86.00 USD) http://ift.tt/1urafeM