Famed designers Charles and Ray Eames and their team played around with some early solar electric cells and built this table top model around 1957. They are using what looks to be a tracking parabolic trough to focus sunlight on some silicon solar cells to power an assemblage of whirlygigs and thingumabobs.
Old Solar: 1980 Barnraised Solar Air Heater Old Solar: Keck and Keck Twentieth Century Modern Old Solar: Venetian Vernacular Old Solar: 1881