At McDonald Observatory, Texas, Electricity Moves and Controls One of the World's Largest Telescopes by Walter L. Greene depicts the technological marvel of the McDonald Observatory in Texas. The painting showcases the large telescope and its sophisticated mechanisms, emphasizing the role of electricity in modern astronomy.

Greene’s depiction highlights the intersection of science and technology, capturing the impressive scale and complexity of the observatory’s equipment. The artwork reflects the advancements in astronomical research and the technological progress of the time.