Search Results for: Mercury lamps
, , in a scientific lecture to a breathless, jam-packed audience at the institut de france in paris. details of the technique revealed that a silver-coated copper plate cleaned with nitric acid was iodized, exposed in a camera and an invisible, latent image was then revealed by exposure to heated mercury
the canadian light source (cls), using facilities at the cornell high energy synchrotron source ( chess ) conducted a detailed analysis of the chemical changes that degrade and potentially destroy daguerreotypes. their study , published june , , in scientific reports, reveals that by looking at the mercury...
https://electronics.howstuffworks.com/x-ray-fluorescence-technology-revives-tarnished-19th-century-images.htm