Heliostat Collection

The French military using Heliostat signals, 1850
3480164 The French military using Heliostat signals, 1850; (add.info.: Illustration depicting the French military using Heliostat signals. Dated 19th Century.); Universal History Archive/UIG

A heliostat
3732351 A heliostat; (add.info.: Copperplate engraving of a heliostat, a device that includes a mirror which turns as to keep reflecting sunlight towards a predetermined target)

Solar spectrum being demonstrated to young boys, 1887
3480083 Solar spectrum being demonstrated to young boys, 1887; (add.info.: Solar spectrum being demonstrated to young boys in a darkened room by means of a Heliostat and a prism)

Engraving depicting the solar spectrum being demonstrated to young boys in a darkened room by means of a heliostat
5309431 Engraving depicting the solar spectrum being demonstrated to young boys in a darkened room by means of a heliostat and a prism

The Heliostat (engraving)
2781329 The Heliostat (engraving) by English School, (19th century); Private Collection; (add.info.: The Heliostat, placed on a shelf outside the window)

Optical Instrument and Diagrams C017 / 3509
Plate from 18th century encyclopedia showing various optical instruments. The Main illustration shows a heliostat (from helios, the Greek word for sun, and stat)

Birth of solar steam power
Illustration of a solar powered motor installed at Cawston Ostrich Farm, South Pasadena, California in 1901. It consisted of a conical dish lined with 1700 mirrors which concentrated sunlight on to a

Gemasolar power plant, satellite image
Gemasolar power plant. Satellite image of the Gemasolar thermal power plant, Seveille, Spain. The plant consists of a 140 metre tall tower surrounded by 2

McMath-Pierce solar telescope, Kitt Peak C013 / 5307
McMath-Pierce solar telescope, Kitt Peak National Observatory, Arizona. Worlds largest solar telescope. A view up the inclined housing towards the heliostat platform at the top

Heliostat, 19th century
Heliostat, 19th-century artwork. Heliostats are devices designed to track the sun across the sky and continually adjust their mirror to reflect the suns rays to a fixed location

Heliostat, artwork
Heliostat. 19th Century artwork of a heliostat. The mirror at left is turned slowly so that the Sun is continuously reflected into the telescope (cylinder)

Concentrating solar power plant. Heliostat (mirrors with sun-tracking motion) at a concentrating solar power (CSP) plant. CSP plants use heliostats to reflect sunlight

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The Heliostat (engraving) featured in Popular Science Magazine Covers showcases the marvel of this optical instrument. With its intricate diagrams, such as Optical Instrument and Diagrams C017 / 3509, it reveals the birth of solar steam power. The Gemasolar power plant, captured through a satellite image, stands as a testament to the potential of heliostats. At Kitt Peak's McMath-Pierce solar telescope (C013 / 5307), scientists harness the power of these devices to explore our sun's mysteries. Dating back to the 19th century, an artwork depicting a heliostat reminds us of their long-standing presence in scientific endeavors. Concentrating solar power plants rely on heliostats to direct sunlight towards a central receiver, generating clean energy for communities worldwide. These impressive structures are not just one-time occurrences but rather multiple instances illustrated by repeated mentions: Concentrating solar power plant after concentrating solar power plant. As we gaze upon these captivating images and learn about their applications, we realize that heliostats have become essential tools in advancing renewable energy solutions.