A black and yellow square with a spiral design. Squares black black sq...
A spiral of yellow lines / A black and yellow square with a spiral design / Public domain stock illustration.
Kazimir Malewich, Black Square (1915)
Public domain photograph of abstract painting, free to use, no copyright restrictions image - Picryl description
Shades of black
Nine different shades of black. Intended use: to illustrate the look and scope of the colour black. Español: Mosaico de nueve coloraciones negruzcas. Uso previsto: para ilustrar el aspecto y alcance del color negro.
Gothic Srchitecture: Plan.voute.francaise, France
Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description
Robert Fludd 1617 - Public domain dedication image
Deutsch: Robert Fludd 1617. Aus Exemplar: Staatsbibliothek zu Berlin, Rara, A 4917 Հայերեն: պատկերված է սև քառակուսի նկարը
Gothic Srchitecture: Plan.salle.voutee, France
Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description
Gothic Srchitecture: Plan.beffroi.cathedrale.Paris, France
Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description