1930 Air King Products radio by John Gordon Rideout and Harold Van Doren.

Fictional Facade No.6, Isometric view, Studio Sader Patelski

A Selection of Elaborate Keys Designed by Rudolf Hammel from MAK Collection Online. These four were fabricated by Emil Kurczak in Vienna, dating before 1903.

(Image Links:  1  |  2  |  3  |  4  )

Altered Vintage Art Plates from TheLuckyFox.

(via JHALAL DRUT: Dieter Rams, 1965)

Olafur Eliasson, The mediated motion, 2001
Kunsthaus Bregenz, Austria