Charles and Ray Eames developed the Eames Storage Units ESU (1949) according to the principles of industrial production. The ESU Shelf is available in various heights; the ESU Bookcase is narrower and comes in one standard size.
 
1HU: W:1795 x D:420 x H:505mm
2HU: W:1795 x D:420 x H:820mm
3HU: W:1795 x D:420 x H:1175mm
4HU: W:1795 x D:420 x H:1480mm