Mekometre surveying. Surveyor using a mekometre, an instrument used to measure long distances at extremely high resolution. This equipment is specifically designed for mechanical and civil engineering work. It is electro-optic, where it uses an electric field to alter the properties of the light emitted from the mekometre to create a precise beam. The light beam is detected by the receiver component at the other end of the region being measured, which instantly calculates the exact distance the beam has travelled. Photographed in 1967.
About the Artist - National Physical Laboratory (c) Crown Copyright
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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